高中三角函数tan对照表
完整的三角函数值表 0～180正余弦值表
完整的三角函数值表 0～180正余弦值表三角函数是数学中初等函数中属于超越函数的一类函数。
它们的本质是任意角的集合和一组比值的变量之间的映射。
通常的三角函数是在平面直角坐标系中定义的，其定义域是整个实数域。
另一个定义在直角三角形里，但不完整。
三角函数是数学中属于初等函数中的超越函数的一类函数。
它们的本质是任意角的集合与一个比值的集合的变量之间的映射。
通常的三角函数是在平面直角坐标系中定义的，其定义域为整个实数域。
另一种定义是在直角三角形中，但并不完全。
特殊三角函数值—般指在0、30°、45°、60°、90°、180°角下的正余弦值。
这些角度的三角函数值是经常用到的。
利用两角和与差的三角函数公式，可以求出一些其他角度的三角函数值。
完整的三角函数值如下：sin0=sin0°=0cos0=cos0°=1tan0=tan0°=0sin15=0.650；sin15°=（√6-√2）/4cos15=-0.759；cos15°=（√6+√2）/4tan15=-0.855；tan15°=2-√3sin30=-0.988；sin30°=1/2cos30=0.154；cos30°=√3/2tan30=-6.405；tan30°=√3/3sin45=0.851；sin45°=√2/2cos45=0.525；cos45°=sin45°=√2/2tan45=1.620；tan45°=1sin60=-0.305；sin60°=√3/2cos60=-0.952；cos60°=1/2tan60=0.320；tan60°=√3sin75=-0.388；sin75°=cos15°cos75=0.922；cos75°=sin15°tan75=-0.421；tan75°=sin75°/cos75° =2+√3 sin90=0.894；sin90°=cos0°=1cos90=-0.448；cos90°=sin0°=0tan90=-1.995；tan90°不存在sin105=-0.971；sin105°=cos15°cos105=-0.241；cos105°=-sin15°tan105=4.028；tan105°=-cot15°sin120=0.581；sin120°=cos30°cos120=0.814；cos120°=-sin30°tan120=0.713；tan120°=-tan60°sin135=0.088；sin135°=sin45°cos135=-0.996；cos135°=-cos45°tan135=-0.0887；tan135°=-tan45°sin150=-0.7149；sin150°=sin30°cos150=-0.699；cos150°=-cos30°tan150=-1.022；tan150°=-tan30°sin165=0.998；sin165°=sin15°cos165=-0.066；cos165°=-cos15°tan165=-15.041；tan165°=-tan15°sin180=-0.801；sin180°=sin0°=0cos180=-0.598；cos180°=-cos0°=-1tan180=1.339；tan180°=0sin195=0.219；sin195°=-sin15°cos195=0.976；cos195°=-cos15°tan195=0.225；tan195°=tan15°sin360=0.959；sin360°=sin0°=0cos360=-0.284；cos360°=cos0°=1tan360=-3.380；tan360°=tan0°=0cos72度=[(√5)-1]/4（利用黄金等腰三角形可得出）sin1=0. sin2=0. sin3=0.sin4=0. sin5=0. sin6=0. sin7=0. sin8=0. sin9=0. sin10=0. sin11=0. sin12=0. sin13=0. sin14=0. sin15=0. sin16=0. sin17=0. sin18=0. sin19=0. sin20=0. sin21=0. sin22=0. sin23=0. sin24=0. sin25=0. sin26=0. sin27=0. sin28=0. sin29=0. sin30=0. sin31=0. sin32=0. sin33=0. sin34=0. sin35=0. sin36=0. sin37=0. sin38=0. sin39=0. sin40=0. sin41=0. sin42=0. sin43=0. sin44=0. sin45=0. sin46=0. sin47=0. sin48=0. sin49=0. sin50=0. sin51=0. sin52=0. sin53=0. sin54=0. sin55=0. sin56=0. sin57=0. sin58=0. sin59=0. sin60=0. sin61=0. sin62=0. sin63=0.sin67=0. sin68=0. sin69=0. sin70=0. sin71=0. sin72=0. sin73=0. sin74=0. sin75=0. sin76=0. sin77=0. sin78=0. sin79=0. sin80=0. sin81=0. sin82=0. sin83=0. sin84=0. sin85=0. sin86=0. sin87=0. sin88=0. sin89=0.sin90=1cos1=0. cos2=0. cos3=0. cos4=0. cos5=0. cos6=0. cos7=0. cos8=0. cos9=0. cos10=0. cos11=0. cos12=0. cos13=0. cos14=0. cos15=0. cos16=0. cos17=0. cos18=0. cos19=0. cos20=0. cos21=0. cos22=0. cos23=0. cos24=0. cos25=0. cos26=0. cos27=0. cos28=0. cos29=0. cos30=0.cos34=0. cos35=0. cos36=0. cos37=0. cos38=0. cos39=0. cos40=0. cos41=0. cos42=0. cos43=0. cos44=0. cos45=0. cos46=0. cos47=0. cos48=0. cos49=0. cos50=0. cos51=0. cos52=0. cos53=0. cos54=0. cos55=0.2 cos56=0. cos57=0.2 cos58=0. cos59=0. cos60=0. cos61=0. cos62=0.6 cos63=0. cos64=0.6 cos65=0. cos66=0. cos67=0. cos68=0.2 cos69=0. cos70=0. cos71=0.5 cos72=0.5 cos73=0.7 cos74=0. cos75=0. cos76=0. cos77=0. cos78=0. cos79=0. cos80=0. cos81=0. cos82=0. cos83=0. cos84=0. cos85=0. cos86=0. cos87=0. cos88=0. cos89=0.tan1=0. tan2=0. tan3=0. tan4=0. tan5=0. tan6=0. tan7=0. tan8=0. tan9=0. tan10=0. tan11=0. tan12=0. tan13=0. tan14=0. tan15=0. tan16=0. tan17=0. tan18=0. tan19=0. tan20=0. tan21=0. tan22=0. tan23=0. tan24=0. tan25=0. tan26=0. tan27=0. tan28=0. tan29=0. tan30=0. tan31=0. tan32=0. tan33=0. tan34=0. tan35=0. tan36=0. tan37=0. tan38=0. tan39=0. tan40=0. tan41=0. tan42=0. tan43=0. tan44=0. tan45=0. tan46=1. tan47=1. tan48=1. tan49=1. tan50=1. tan51=1. tan52=1. tan53=1. tan54=1. tan55=1. tan56=1. tan57=1. tan58=1. tan59=1. tan60=1.tan61=1. tan62=1. tan63=1. tan64=2. tan65=2. tan66=2. tan67=2. tan68=2. tan69=2. tan70=2. tan71=2. tan72=3. tan73=3. tan74=3. tan75=3. tan76=4. tan77=4. tan78=4. tan79=5. tan80=5. tan81=6. tan82=7. tan83=8. tan84=9. tan85=11. tan86=14. tan87=19. tan88=28. tan89=57.tan90=无取值范围。
特殊三角函数值对照表(特殊角的三角函数值)
特殊三角函数值对照表（特殊角的三角函数值）《特殊角的三角函数值》是人教版数学九年级下册第二十八章的内容，特殊三角函数值一般指在0，30°，45°，60°，90°，180°角下的正余弦值。
这些角度的三角函数值是经常用到的。
并且利用两角和与差的三角函数公式，可以求出一些其他角度的三角函数值。
具体的三角函数值如下表：扩展资料：黄金三角函数介绍：α=18°(π/10) sinα=(√5-1)/4 cosα=√(10+2√5)/4tαnα=√(25-10√5)/5cscα=√5+1 secα=√(50-10√5)/5 cotα=√(5+2√5)α=36°(π/5) sinα=√(10-2√5)/4 cosα=(√5+1)/4tαnα=√(5-2√5)cscα=√(50+10√5)/5 secα=√5-1 cotα=√(25+10√5)/5α=54°(3π/10) sinα=(√5+1)/4 cosα=√(10-2√5)/4 tαnα=√(25+10√5)/5是数学中属于初等函数中的超越函数的一类函数。
它们的本质是任意角的集合与一个比值的集合的变量之间的映射。
通常的三角函数是在平面直角坐标系中定义的，其定义域为整个实数域。
另一种定义是在直角三角形中，但并不完全。
扩展资料：三角函数在复数中有重要的应用。
三角函数也是物理学中的常用工具。
它有六种基本函数函数名正弦余弦正切余切正割余割符号 sin cos tan cot sec csc正弦函数sin（A）=a/c余弦函数cos（A）=b/c正切函数tan（A）=a/b余切函数cot（A）=b/a其中a为对边，b为邻边，c为斜边特殊角的值如下表：在直角三角形中，任意一锐角∠A的对边与斜边的比叫做∠A 的正弦，记作sinA（由英语sine一词简写得来），即sinA=∠A的对边/斜边。
扩展资料：sinα = tanα × cosα（即sinα / cosα = tanα ）cosα = cotα × sinα （即cosα / sinα = cotα）tanα = sinα × secα (即tanα / sinα = secα)sin ( α ± β ) = sinα · cosβ ± cosα · sinβsin ( α + β + γ ) = sinα · cosβ · cosγ +cosα · sinβ · cosγ + cosα · cosβ · sinγ - sinα · sinβ · sinγcos ( α ± β ) = cosα cosβ ∓ sinβ sinαtan ( α ± β ) = ( tanα ± tanβ ) / ( 1 ∓ tanα tanβ )完整初中三角函数值表如下图所示：常见的三角函数有正弦函数、余弦函数和正切函数。
三角函数表
sin（3π/2－α）＝－cosα cos（3π/2－α）＝－sinα tan（3π/2－α）＝cotα cot（3π/2－α）＝tanα
sin（2π－α）＝－sinα cos（2π－α）＝cosα tan（2π－α）＝－tanα cot（2π－α）＝－cotα
sin（3π/2＋α）＝－cosα cos（3π/2＋α）＝sinα tan（3π/2＋α）＝－cotα cot（3π/2＋α）＝－tanα
平方关系：
sin2α＋cos2α＝1 1＋tan2α＝sec2α 1＋cot2α＝csc2α
sin（－α）＝－sinα
诱导公式（口诀:奇变偶不变，符号看象限。）
cos（－α）＝cosα
tan（－α）＝－tanα
cot（－α）＝－cotα
sin（π/2－α）＝cosα cos（π/2－α）＝sinα tan（π/2－α）＝cotα cot（π/2－α）＝tanα
1－tan2(α/2)
半角的正弦、余弦和正切公式
三角函数的降幂公式
二倍角的正弦、余弦和正切公式 sin2α＝2sinαcosα
cos2α＝cos2α－sin2α＝2cos2α－1＝1－2sin2α
2tanα tan2α＝—————
1－tan2α
三倍角的正弦、余弦和正切公式 sin3α＝3sinα－4sin3α
sin7=0.12186934340514747 sin8=0.13917310096006544 sin9=0.15643446504023087
sin10=0.17364817766693033 sin11=0.1908089953765448 sin12=0.20791169081775931
sin28=0.4694715627858908 sin29=0.48480962024633706 sin30=0.49999999999999994
三角函数对照表
三角函数 0° 1° 2° 3° 4° 5° 6° 7° 8° 9° 10° 11° 12° 13° 14° 15° 16° 17° 18° 19° 20° 21° 22° 23° 24° 25° 26° 27° 28° 29° 30° 31° 32° 33° 34° 35° 36°
SIN 0 0.0174 0.0348 0.0523 0.0697 0.0871 0.1045 0.1218 0.1391 0.1564 0.1736 0.1908 0.2079 0.2249 0.2419 0.2588 0.2756 0.2923 0.3090 0.3255 0.3420 0.3583 0.3746 0.3907 0.4067 0.4226 0.4383 0.4539 0.4694 0.4848 0.5000 0.5150 0.5299 0.5446 0.5591 0.5735 0.5877
SIN 1 0.9998 0.9993 0.9986 0.9975 0.9961 0.9945 0.9925 0.9902 0.9876 0.9848 0.9816 0.9781 0.9743 0.9702 0.9659 0.9612 0.9563 0.9510 0.9455 0.9396 0.9335 0.9271 0.9205 0.9135 0.9063 0.8987 0.8910 0.8829 0.8746 0.8660 0.8571 0.8480 0.8386 0.8290 0.8191 0.8090
0.7535 0.7812 0.8097 0.8390 0.8692 0.9004 0.9325 0.9656
1
同角基本关系式
倒数关系
商的关系
53° 52° 51° 50° 49° 48° 47° 46° 45°
三角函数公式表(全)
三角函数公式表同角三角函数的基本关系式倒数关系: 商的关系：平方关系：tanα ·cotα＝1 sinα ·cscα＝1 sinα/cosα＝tanαsin2α＋cos2α＝11＋tan2α＝sec2α（六边形记忆法：图形结构“上弦中切下割，左正右余中间1”；记忆方法“对角线上两个函数的积为1；阴影三角形上两顶点的三角函数值的平方和等于下顶点的三角函数值的平方；任意一顶点的三角函数值等于相邻两个顶点的三角函数值的乘积。
”）诱导公式（口诀:奇变偶不变，符号看象限。
）sin（－α）＝－sinαcos（－α）＝cosαtan（－α）＝－tanαcot（－α）＝－cotαsin（π/2－α）＝cosαcos（π/2－α）＝sinαtan（π/2－α）＝cotαcot（π/2－α）＝tanαsin（π/2＋α）＝cosαcos（π/2＋α）＝－sinαtan（π/2＋α）＝－cotαcot（π/2＋α）＝－tanαsin（π－α）＝sinαcos（π－α）＝－cosαtan（π－α）＝－tanαcot（π－α）＝－cotαsin（π＋α）＝－sinαcos（π＋α）＝－cosαtan（π＋α）＝tanαcot（π＋α）＝cotαsin（3π/2－α）＝－cosαcos（3π/2－α）＝－sinαtan（3π/2－α）＝cotαcot（3π/2－α）＝tanαsin（3π/2＋α）＝－cosαcos（3π/2＋α）＝sinαtan（3π/2＋α）＝－cotαcot（3π/2＋α）＝－tanαsin（2π－α）＝－sinαcos（2π－α）＝cosαtan（2π－α）＝－tanαcot（2π－α）＝－cotαsin（2kπ＋α）＝sinαcos（2kπ＋α）＝cosαtan（2kπ＋α）＝tanαcot（2kπ＋α）＝cotα(其中k∈Z)两角和与差的三角函数公式万能公式sin（α＋β）＝sinαcosβ＋cosαsinβsin（α－β）＝sinαcosβ－cosαsinβcos（α＋β）＝co sαcosβ－sinαsinβcos（α－β）＝cosαcosβ＋sinαsinβtanα＋tanβtan（α＋β）＝———----———1－tanα ·tanβtanα－tanβtan（α－β）＝—————-------—1＋tanα ·tanβ2tan(α/2)sinα＝——————1＋tan2(α/2)1－tan2(α/2) cosα＝——————1＋tan2(α/2)2tan(α/2)tanα＝——————1－tan2(α/2)半角的正弦、余弦和正切公式三角函数的降幂公式二倍角的正弦、余弦和正切公式三倍角的正弦、余弦和正切公式sin2α＝2sinαcosαcos2α＝cos2α－sin2α＝2cos2α－1＝1－2sin2α2tanαtan2α＝—————1－tan2αsin3α＝3sinα－4sin3αcos3α＝4cos3α－3cosα3tanα－tan3αtan3α＝——————1－3tan2α三角函数的和差化积公式三角函数的积化和差公式Sinα+sinβ=2sin[(α+β)/2]·cos[(α-β)/2] sinα-sinβ=2cos[(α+β)/2]·sin[(α-β)/2] cos α+cosβ=2cos[(α+β)/2]·cos[(α-β)/2]cosα-cosβ=-2sin[(α+β)/2]·sin[(α-β)/2 ] 1sinα ·cosβ＝-[sin（α＋β）＋sin（α－β）]21cosα ·sinβ＝-[sin（α＋β）－sin（α－β）]21cosα ·cosβ＝-[cos（α＋β）＋cos（α－β）]21sinα ·sinβ＝— -[cos（α＋β）－cos（α－β）]2化asinα ±bcosα为一个角的一个三角函数的形式（辅助角的三角函数的公式）。
(完整版)完整三角函数公式表
三角函数公式表同角三角函数的基本关系式倒数关系: 商的关系：平方关系：tanα ·cotα＝1 sinα ·cscα＝1 cosα ·secα＝1 sinα/cosα＝tanα＝secα/cscαcosα/sinα＝cotα＝cscα/secαsin2α＋cos2α＝11＋tan2α＝sec2α1＋cot2α＝csc2α（六边形记忆法：图形结构“上弦中切下割，左正右余中间1”；记忆方法“对角线上两个函数的积为1；阴影三角形上两顶点的三角函数值的平方和等于下顶点的三角函数值的平方；任意一顶点的三角函数值等于相邻两个顶点的三角函数值的乘积。
”）诱导公式（口诀:奇变偶不变，符号看象限。
）sin（－α）＝－sinαcos（－α）＝cosαtan（－α）＝－tanαcot（－α）＝－cotαsin（π/2－α）＝cosαcos（π/2－α）＝sinαtan（π/2－α）＝cotαcot（π/2－α）＝tanαsin（π/2＋α）＝cosαcos（π/2＋α）＝－sinαtan（π/2＋α）＝－cotαcot（π/2＋α）＝－tanαsin（π－α）＝sinαcos（π－α）＝－cosαtan（π－α）＝－tanαcot（π－α）＝－cotαsin（π＋α）＝－sinαcos（π＋α）＝－cosαtan（π＋α）＝tanαcot（π＋α）＝cotαsin（3π/2－α）＝－cosαcos（3π/2－α）＝－sinαtan（3π/2－α）＝c otαcot（3π/2－α）＝tanαsin（3π/2＋α）＝－cosαcos（3π/2＋α）＝sinαtan（3π/2＋α）＝－cotαcot（3π/2＋α）＝－tanαsin（2π－α）＝－sinαcos（2π－α）＝cosαtan（2π－α）＝－tanαcot（2π－α）＝－cotαsin（2kπ＋α）＝sinαcos（2kπ＋α）＝cosαtan（2kπ＋α）＝tanαcot（2kπ＋α）＝cotα(其中k∈Z)两角和与差的三角函数公式万能公式sin（α＋β）＝sinαcosβ＋cosαsinβsin（α－β）＝sinαcosβ－cosαsinβcos（α＋β）＝cosαcosβ－sinαsinβcos（α－β）＝cosαcosβ＋sinαsinβtanα＋tanβtan（α＋β）＝——————1－tanα ·tanβ2tan(α/2) sinα＝——————1＋tan2(α/2)1－tan2(α/2) cosα＝——————1＋tan2(α/2)2tan(α/2)tanα－tanβtan（α－β）＝——————1＋tanα ·tanβ tanα＝——————1－tan2(α/2)半角的正弦、余弦和正切公式三角函数的降幂公式二倍角的正弦、余弦和正切公式三倍角的正弦、余弦和正切公式sin2α＝2sinαcosαcos2α＝cos2α－sin2α＝2cos2α－1＝1－2sin2α2tanαtan2α＝—————1－tan2αsin3α＝3sinα－4sin3αcos3α＝4cos3α－3cosα3tanα－tan3αtan3α＝——————1－3tan2α三角函数的和差化积公式三角函数的积化和差公式α＋βα－βsinα＋sinβ＝2sin———·cos———2 2α＋βα－βsinα－sinβ＝2cos———·sin———2 2α＋βα－βcosα＋cosβ＝2cos———·cos———2 2α＋βα－βcosα－cosβ＝－2sin———·sin———2 2 1sinα ·cosβ＝-[sin（α＋β）＋sin（α－β）]21cosα ·sinβ＝-[sin（α＋β）－sin（α－β）]21cosα ·cosβ＝-[cos（α＋β）＋cos（α－β）]21sinα ·sinβ＝—-[cos（α＋β）－cos（α－β）]2化asinα ±bcosα为一个角的一个三角函数的形式（辅助角的三角函数的公式）arc sin x + arc sin y = arc sin x – arc sin y = arc cos x + arc cos y = arc cos x – arc cos y = arc tan x + arc tan y = arc tan x – arc tan y = 2 arc sin x = 2 arc cos x =2 arc tanx = cos (n arc cos x) =三角形中三角函数基本定理Tag：三角函数点击： 1522 【正弦定理】式中R为ABC的外接圆半径(图1.3).【余弦定理】【勾股定理】在直角三角形(C为直角)中，勾方加股方等于弦方(图1.4)，即勾股定理也称商高定理，外国书刊中称毕达哥拉斯定理.【正切定理】或【半角与边长的关系公式】式中，r为ABC的内切圆半径，且式中S为ABC的面积.。
高中高三数学知识点：三角函数公示表
高中高三数学知识点：三角函数公示表一、熟悉三角函数公式倒数关系: tan cot=1 sin csc=1 cos sec=1 商的关系：sin/cos=tan=sec /csc cos/sin=cot=csc/sec 平方关系：sin^2()+cos^2()=1 1+tan^2()=sec^2() 1 +cot^2()=csc^2()正弦sin2A=2sinAcosA 余弦1.Cos2a=Cos^2(a)-Sin^2(a) =2Cos^2(a)-1 =1-2Sin^2(a) 2.Cos2a=1-2Sin^2(a) 3.Cos2a=2Cos^2(a)-1 正切tan2A=(2tan A)/(1-tan^2(A))cos(+)=coscos-sinsincos(-)=coscos+sinsinsin(+)=sincos+cossinsin(-)=sinco s -cossin积化和差sinsin = [cos(-)-cos(+)] /2 coscos = [cos(+)+cos(-)]/2 sincos = [sin(+) +sin(-)]/2 cossin = [sin(+)-sin(-)]/2诱导公式sin(-) = -sin cos(-) = cos tan (-)=-tan sin(/2-) = cos cos(/2-) = sin si n(/2+) = cos cos(/2+) = -sin sin() = sin cos() = -cos sin() = -sin cos() = -cos tanA= sinA/cosA tan(/2+)=-cot tan(/2-)=cot tan()=-tan tan()=tan 诱导公式记背诀窍：奇变偶不变，符号看象限语文课本中的文章差不多上精选的比较优秀的文章,还有许多名家名篇。
假如有选择循序渐进地让学生背诵一些优秀篇目、杰出段落,对提高学生的水平会大有裨益。
（完整版）高中三角函数公式大全整理版
（完整版）高中三角函数公式大全整理版高中三角函数公式大全sin30°=1/2 sin45°=√2/2 sin60°=√3/2cos30°=√3/2 cos45°=√2/2 cos60°=1/2tan30°=√3/3 tan45°=1 tan60°=√3cot30°=√3 cot45°=1 cot60°=√3/3sin15°=（√6-√2）/4 sin75°=（√6+√2）/4 cos15°=（√6+√2）/4cos75°=（√6-√2）/4（这四个可根据sin （45°±30°）=sin45°cos30°±cos45°sin30°得出）sin18°=(√5-1)/4 (这个值在高中竞赛和自招中会比较有用，即黄金分割的一半)正弦定理：在△ABC 中，a / sin A = b / sin B = c / sin C = 2R (其中，R 为△ABC 的外接圆的半径。
)两角和公式sin(A+B) = sinAcosB+cosAsinBsin(A-B) = sinAcosB-cosAsinBcos(A+B) = cosAcosB-sinAsinBcos(A-B) = cosAcosB+sinAsinBtan(A+B) =tanAtanB-1tanB tanA + tan(A-B) =tanAtanB1tanB tanA +- cot(A+B) =cotAcotB 1-cotAcotB + cot(A-B) =cotAcotB 1cotAcotB -+ 倍角公式tan2A =Atan 12tanA 2- Sin2A=2Sin A?CosACos2A = Cos 2A-Sin 2A=2Cos 2A-1=1-2sin 2A三倍角公式sin3A = 3sinA-4(sinA)3cos3A = 4(cosA)3-3cosATan3A=)3tan()3tan(tan )(tan 1)(tan 3tan 32 3A A A A A A +-=--ππ 半角公式sin(2A )=2cos 1A- cos(2A )=2cos 1A+ tan(2A )=A Acos 1cos 1+- cot(2A )=A Acos 1cos 1-+ tan(2A )=A A sin cos 1-=A A cos 1sin +和差化积 sina+sinb=2sin 2b a +cos 2ba - sina-sinb=2cos 2b a +sin 2ba - cosa+cosb = 2cos 2b a +cos 2ba - cosa-cosb = -2sin 2ba +sin 2ba - tana+tanb=b a b a cos cos )sin(+积化和差 sinasinb = -21[cos(a+b)-cos(a-b)] cosacosb = 21[cos(a+b)+cos(a-b)] sinacosb = 21[sin(a+b)+sin(a-b)] cosasinb = 21[sin(a+b)-sin(a-b)]诱导公式sin(-a) = -sinacos(-a) = cosa sin(2π-a) = cosa cos(2π-a) = sina sin(2π+a) = cosacos(2π+a) = -sina sin(π-a) = sinacos(π-a) = -cosasin(π+a) = -sinacos(π+a) = -cosa tgA=tanA =aa cos sin 万能公式 sina=2)2(tan 12tan 2a a + cosa=22)2(tan 1)2(tan 1a a +- tana=2)2(tan 12tan 2a a - 其它公式a?sina+b?cosa=)b (a 22+×sin(a+c) [其中tanc=a b ] a?sin(a)-b?cos(a) =)b (a 22+×cos(a-c) [其中tan(c)=b a ] 1+sin(a) =(sin 2a +cos 2a )2 1-sin(a) = (sin 2a -cos 2a )2 其他非重点三角函数 csc(a) =asin 1 sec(a) =acos 1 公式一：设α为任意角，终边相同的角的同一三角函数的值相等：sin （2kπ＋α）= sinαcos （2kπ＋α）= cosαtan （2kπ＋α）= tanαcot （2kπ＋α）= cotα公式二：设α为任意角，π+α的三角函数值与α的三角函数值之间的关系：sin （π＋α）= -sinαcos （π＋α）= -cosαtan （π＋α）= tanαcot （π＋α）= cotα公式三：任意角α与 -α的三角函数值之间的关系：sin （-α）= -sinαcos （-α）= cosαtan （-α）= -tanαcot （-α）= -cotα公式四：利用公式二和公式三可以得到π-α与α的三角函数值之间的关系：sin （π-α）= sinαcos （π-α）= -cosαtan （π-α）= -tanαcot （π-α）= -cotα公式五：利用公式-和公式三可以得到2π-α与α的三角函数值之间的关系：sin （2π-α）= -sinαcos （2π-α）= cosαtan （2π-α）= -tanαcot （2π-α）= -cotα A?sin(ωt+θ)+ B?sin(ωt+φ) =)cos(222?θ?++AB B A ×sin)cos(2)Bsin in arcsin[(As t 22?θ?θω?++++AB B A。
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高中三角函数tan对照表sin(0°)=0.000000,cos(0°)=1.000000,tan(0°)=0.000000 sin(1°)=0.017452,cos(1°)=0.999848,tan(1°)=0.017455 sin(2°)=0.034899,cos(2°)=0.999391,tan(2°)=0.034921 sin(3°)=0.052336,cos(3°)=0.998630,tan(3°)=0.052408 sin(4°)=0.069756,cos(4°)=0.997564,tan(4°)=0.069927 sin(5°)=0.087156,cos(5°)=0.996195,tan(5°)=0.087489 sin(6°)=0.104528,cos(6°)=0.994522,tan(6°)=0.105104 sin(7°)=0.121869,cos(7°)=0.992546,tan(7°)=0.122785 sin(8°)=0.139173,cos(8°)=0.990268,tan(8°)=0.140541 sin(9°)=0.156434,cos(9°)=0.987688,tan(9°)=0.158384 sin(10°)=0.173648,cos(10°)=0.984808,tan(10°)=0.176327 sin(11°)=0.190809,cos(11°)=0.981627,tan(11°)=0.194380 sin(12°)=0.207912,cos(12°)=0.978148,tan(12°)=0.212557 sin(13°)=0.224951,cos(13°)=0.974370,tan(13°)=0.230868 sin(14°)=0.241922,cos(14°)=0.970296,tan(14°)=0.249328 sin(15°)=0.258819,cos(15°)=0.965926,tan(15°)=0.267949 sin(16°)=0.275637,cos(16°)=0.961262,tan(16°)=0.286745 sin(17°)=0.292372,cos(17°)=0.956305,tan(17°)=0.305731 sin(18°)=0.309017,cos(18°)=0.951057,tan(18°)=0.324920 sin(19°)=0.325568,cos(19°)=0.945519,tan(19°)=0.344328 sin(20°)=0.342020,cos(20°)=0.939693,tan(20°)=0.363970sin(21°)=0.358368,cos(21°)=0.933580,tan(21°)=0.383864 sin(22°)=0.374607,cos(22°)=0.927184,tan(22°)=0.404026 sin(23°)=0.390731,cos(23°)=0.920505,tan(23°)=0.424475 sin(24°)=0.406737,cos(24°)=0.913545,tan(24°)=0.445229 sin(25°)=0.422618,cos(25°)=0.906308,tan(25°)=0.466308 sin(26°)=0.438371,cos(26°)=0.898794,tan(26°)=0.487733 sin(27°)=0.453990,cos(27°)=0.891007,tan(27°)=0.509525 sin(28°)=0.469472,cos(28°)=0.882948,tan(28°)=0.531709 sin(29°)=0.484810,cos(29°)=0.874620,tan(29°)=0.554309 sin(30°)=0.500000,cos(30°)=0.866025,tan(30°)=0.577350 sin(31°)=0.515038,cos(31°)=0.857167,tan(31°)=0.600861 sin(32°)=0.529919,cos(32°)=0.848048,tan(32°)=0.624869 sin(33°)=0.544639,cos(33°)=0.838671,tan(33°)=0.649408 sin(34°)=0.559193,cos(34°)=0.829038,tan(34°)=0.674509 sin(35°)=0.573576,cos(35°)=0.819152,tan(35°)=0.700208 sin(36°)=0.587785,cos(36°)=0.809017,tan(36°)=0.726543 sin(37°)=0.601815,cos(37°)=0.798636,tan(37°)=0.753554 sin(38°)=0.615661,cos(38°)=0.788011,tan(38°)=0.781286 sin(39°)=0.629320,cos(39°)=0.777146,tan(39°)=0.809784 sin(40°)=0.642788,cos(40°)=0.766044,tan(40°)=0.839100 sin(41°)=0.656059,cos(41°)=0.754710,tan(41°)=0.869287 sin(42°)=0.669131,cos(42°)=0.743145,tan(42°)=0.900404sin(43°)=0.681998,cos(43°)=0.731354,tan(43°)=0.932515 sin(44°)=0.694658,cos(44°)=0.719340,tan(44°)=0.965689 sin(45°)=0.707107,cos(45°)=0.707107,tan(45°)=1.000000 sin(46°)=0.719340,cos(46°)=0.694658,tan(46°)=1.035530 sin(47°)=0.731354,cos(47°)=0.681998,tan(47°)=1.072369 sin(48°)=0.743145,cos(48°)=0.669131,tan(48°)=1.110613 sin(49°)=0.754710,cos(49°)=0.656059,tan(49°)=1.150368 sin(50°)=0.766044,cos(50°)=0.642788,tan(50°)=1.191754 sin(51°)=0.777146,cos(51°)=0.629320,tan(51°)=1.234897 sin(52°)=0.788011,cos(52°)=0.615661,tan(52°)=1.279942 sin(53°)=0.798636,cos(53°)=0.601815,tan(53°)=1.327045 sin(54°)=0.809017,cos(54°)=0.587785,tan(54°)=1.376382 sin(55°)=0.819152,cos(55°)=0.573576,tan(55°)=1.428148 sin(56°)=0.829038,cos(56°)=0.559193,tan(56°)=1.482561 sin(57°)=0.838671,cos(57°)=0.544639,tan(57°)=1.539865 sin(58°)=0.848048,cos(58°)=0.529919,tan(58°)=1.600335 sin(59°)=0.857167,cos(59°)=0.515038,tan(59°)=1.664279 sin(60°)=0.866025,cos(60°)=0.500000,tan(60°)=1.732051 sin(61°)=0.874620,cos(61°)=0.484810,tan(61°)=1.804048 sin(62°)=0.882948,cos(62°)=0.469472,tan(62°)=1.880726 sin(63°)=0.891007,cos(63°)=0.453990,tan(63°)=1.962611 sin(64°)=0.898794,cos(64°)=0.438371,tan(64°)=2.050304sin(66°)=0.913545,cos(66°)=0.406737,tan(66°)=2.246037 sin(67°)=0.920505,cos(67°)=0.390731,tan(67°)=2.355852 sin(68°)=0.927184,cos(68°)=0.374607,tan(68°)=2.475087 sin(69°)=0.933580,cos(69°)=0.358368,tan(69°)=2.605089 sin(70°)=0.939693,cos(70°)=0.342020,tan(70°)=2.747477 sin(71°)=0.945519,cos(71°)=0.325568,tan(71°)=2.904211 sin(72°)=0.951057,cos(72°)=0.309017,tan(72°)=3.077684 sin(73°)=0.956305,cos(73°)=0.292372,tan(73°)=3.270853 sin(74°)=0.961262,cos(74°)=0.275637,tan(74°)=3.487414 sin(75°)=0.965926,cos(75°)=0.258819,tan(75°)=3.732051 sin(76°)=0.970296,cos(76°)=0.241922,tan(76°)=4.010781 sin(77°)=0.974370,cos(77°)=0.224951,tan(77°)=4.331476 sin(78°)=0.978148,cos(78°)=0.207912,tan(78°)=4.704630 sin(79°)=0.981627,cos(79°)=0.190809,tan(79°)=5.144554 sin(80°)=0.984808,cos(80°)=0.173648,tan(80°)=5.671282 sin(81°)=0.987688,cos(81°)=0.156434,tan(81°)=6.313752 sin(82°)=0.990268,cos(82°)=0.139173,tan(82°)=7.115370 sin(83°)=0.992546,cos(83°)=0.121869,tan(83°)=8.144346 sin(84°)=0.994522,cos(84°)=0.104528,tan(84°)=9.514364 sin(85°)=0.996195,cos(85°)=0.087156,tan(85°)=11.430052 sin(86°)=0.997564,cos(86°)=0.069756,tan(86°)=14.300666sin(88°)=0.999391,cos(88°)=0.034899,tan(88°)=28.636253 sin(89°)=0.999848,cos(89°)=0.017452,tan(89°)=57.289962 sin(90°)=1.000000,cos(90°)=0.000000,tan(90°)=无意义sin(91°)=0.999848,cos(91°)=-0.017452,tan(91°)=-57.289962 sin(92°)=0.999391,cos(92°)=-0.034899,tan(92°)=-28.636253 sin(93°)=0.998630,cos(93°)=-0.052336,tan(93°)=-19.081137 sin(94°)=0.997564,cos(94°)=-0.069756,tan(94°)=-14.300666 sin(95°)=0.996195,cos(95°)=-0.087156,tan(95°)=-11.430052 sin(96°)=0.994522,cos(96°)=-0.104528,tan(96°)=-9.514364 sin(97°)=0.992546,cos(97°)=-0.121869,tan(97°)=-8.144346 sin(98°)=0.990268,cos(98°)=-0.139173,tan(98°)=-7.115370 sin(99°)=0.987688,cos(99°)=-0.156434,tan(99°)=-6.313752 sin(100°)=0.984808,cos(100°)=-0.173648,tan(100°)=-5.671282 sin(101°)=0.981627,cos(101°)=-0.190809,tan(101°)=-5.144554 sin(102°)=0.978148,cos(102°)=-0.207912,tan(102°)=-4.704630 sin(103°)=0.974370,cos(103°)=-0.224951,tan(103°)=-4.331476 sin(104°)=0.970296,cos(104°)=-0.241922,tan(104°)=-4.010781 sin(105°)=0.965926,cos(105°)=-0.258819,tan(105°)=-3.732051 sin(106°)=0.961262,cos(106°)=-0.275637,tan(106°)=-3.487414 sin(107°)=0.956305,cos(107°)=-0.292372,tan(107°)=-3.270853 sin(108°)=0.951057,cos(108°)=-0.309017,tan(108°)=-3.077684sin(109°)=0.945519,cos(109°)=-0.325568,tan(109°)=-2.904211 sin(110°)=0.939693,cos(110°)=-0.342020,tan(110°)=-2.747477 sin(111°)=0.933580,cos(111°)=-0.358368,tan(111°)=-2.605089 sin(112°)=0.927184,cos(112°)=-0.374607,tan(112°)=-2.475087 sin(113°)=0.920505,cos(113°)=-0.390731,tan(113°)=-2.355852 sin(114°)=0.913545,cos(114°)=-0.406737,tan(114°)=-2.246037 sin(115°)=0.906308,cos(115°)=-0.422618,tan(115°)=-2.144507 sin(116°)=0.898794,cos(116°)=-0.438371,tan(116°)=-2.050304 sin(117°)=0.891007,cos(117°)=-0.453990,tan(117°)=-1.962611 sin(118°)=0.882948,cos(118°)=-0.469472,tan(118°)=-1.880726 sin(119°)=0.874620,cos(119°)=-0.484810,tan(119°)=-1.804048 sin(120°)=0.866025,cos(120°)=-0.500000,tan(120°)=-1.732051 sin(121°)=0.857167,cos(121°)=-0.515038,tan(121°)=-1.664279 sin(122°)=0.848048,cos(122°)=-0.529919,tan(122°)=-1.600335 sin(123°)=0.838671,cos(123°)=-0.544639,tan(123°)=-1.539865 sin(124°)=0.829038,cos(124°)=-0.559193,tan(124°)=-1.482561 sin(125°)=0.819152,cos(125°)=-0.573576,tan(125°)=-1.428148 sin(126°)=0.809017,cos(126°)=-0.587785,tan(126°)=-1.376382 sin(127°)=0.798636,cos(127°)=-0.601815,tan(127°)=-1.327045 sin(128°)=0.788011,cos(128°)=-0.615661,tan(128°)=-1.279942 sin(129°)=0.777146,cos(129°)=-0.629320,tan(129°)=-1.234897 sin(130°)=0.766044,cos(130°)=-0.642788,tan(130°)=-1.191754sin(131°)=0.754710,cos(131°)=-0.656059,tan(131°)=-1.150368 sin(132°)=0.743145,cos(132°)=-0.669131,tan(132°)=-1.110613 sin(133°)=0.731354,cos(133°)=-0.681998,tan(133°)=-1.072369 sin(134°)=0.719340,cos(134°)=-0.694658,tan(134°)=-1.035530 sin(135°)=0.707107,cos(135°)=-0.707107,tan(135°)=-1.000000 sin(136°)=0.694658,cos(136°)=-0.719340,tan(136°)=-0.965689 sin(137°)=0.681998,cos(137°)=-0.731354,tan(137°)=-0.932515 sin(138°)=0.669131,cos(138°)=-0.743145,tan(138°)=-0.900404 sin(139°)=0.656059,cos(139°)=-0.754710,tan(139°)=-0.869287 sin(140°)=0.642788,cos(140°)=-0.766044,tan(140°)=-0.839100 sin(141°)=0.629320,cos(141°)=-0.777146,tan(141°)=-0.809784 sin(142°)=0.615661,cos(142°)=-0.788011,tan(142°)=-0.781286 sin(143°)=0.601815,cos(143°)=-0.798636,tan(143°)=-0.753554 sin(144°)=0.587785,cos(144°)=-0.809017,tan(144°)=-0.726543 sin(145°)=0.573576,cos(145°)=-0.819152,tan(145°)=-0.700208 sin(146°)=0.559193,cos(146°)=-0.829038,tan(146°)=-0.674509 sin(147°)=0.544639,cos(147°)=-0.838671,tan(147°)=-0.649408 sin(148°)=0.529919,cos(148°)=-0.848048,tan(148°)=-0.624869 sin(149°)=0.515038,cos(149°)=-0.857167,tan(149°)=-0.600861 sin(150°)=0.500000,cos(150°)=-0.866025,tan(150°)=-0.577350 sin(151°)=0.484810,cos(151°)=-0.874620,tan(151°)=-0.554309 sin(152°)=0.469472,cos(152°)=-0.882948,tan(152°)=-0.531709sin(153°)=0.453990,cos(153°)=-0.891007,tan(153°)=-0.509525 sin(154°)=0.438371,cos(154°)=-0.898794,tan(154°)=-0.487733 sin(155°)=0.422618,cos(155°)=-0.906308,tan(155°)=-0.466308 sin(156°)=0.406737,cos(156°)=-0.913545,tan(156°)=-0.445229 sin(157°)=0.390731,cos(157°)=-0.920505,tan(157°)=-0.424475 sin(158°)=0.374607,cos(158°)=-0.927184,tan(158°)=-0.404026 sin(159°)=0.358368,cos(159°)=-0.933580,tan(159°)=-0.383864 sin(160°)=0.342020,cos(160°)=-0.939693,tan(160°)=-0.363970 sin(161°)=0.325568,cos(161°)=-0.945519,tan(161°)=-0.344328 sin(162°)=0.309017,cos(162°)=-0.951057,tan(162°)=-0.324920 sin(163°)=0.292372,cos(163°)=-0.956305,tan(163°)=-0.305731 sin(164°)=0.275637,cos(164°)=-0.961262,tan(164°)=-0.286745 sin(165°)=0.258819,cos(165°)=-0.965926,tan(165°)=-0.267949 sin(166°)=0.241922,cos(166°)=-0.970296,tan(166°)=-0.249328 sin(167°)=0.224951,cos(167°)=-0.974370,tan(167°)=-0.230868 sin(168°)=0.207912,cos(168°)=-0.978148,tan(168°)=-0.212557 sin(169°)=0.190809,cos(169°)=-0.981627,tan(169°)=-0.194380 sin(170°)=0.173648,cos(170°)=-0.984808,tan(170°)=-0.176327 sin(171°)=0.156434,cos(171°)=-0.987688,tan(171°)=-0.158384 sin(172°)=0.139173,cos(172°)=-0.990268,tan(172°)=-0.140541 sin(173°)=0.121869,cos(173°)=-0.992546,tan(173°)=-0.122785 sin(174°)=0.104528,cos(174°)=-0.994522,tan(174°)=-0.105104sin(175°)=0.087156,cos(175°)=-0.996195,tan(175°)=-0.087489 sin(176°)=0.069756,cos(176°)=-0.997564,tan(176°)=-0.069927 sin(177°)=0.052336,cos(177°)=-0.998630,tan(177°)=-0.052408 sin(178°)=0.034899,cos(178°)=-0.999391,tan(178°)=-0.034921 sin(179°)=0.017452,cos(179°)=-0.999848,tan(179°)=-0.017455 sin(180°)=0.000000,cos(180°)=-1.000000,tan(180°)=-0.000000 sin(181°)=-0.017452,cos(181°)=-0.999848,tan(181°)=0.017455 sin(182°)=-0.034899,cos(182°)=-0.999391,tan(182°)=0.034921 sin(183°)=-0.052336,cos(183°)=-0.998630,tan(183°)=0.052408 sin(184°)=-0.069756,cos(184°)=-0.997564,tan(184°)=0.069927 sin(185°)=-0.087156,cos(185°)=-0.996195,tan(185°)=0.087489 sin(186°)=-0.104528,cos(186°)=-0.994522,tan(186°)=0.105104 sin(187°)=-0.121869,cos(187°)=-0.992546,tan(187°)=0.122785 sin(188°)=-0.139173,cos(188°)=-0.990268,tan(188°)=0.140541 sin(189°)=-0.156434,cos(189°)=-0.987688,tan(189°)=0.158384 sin(190°)=-0.173648,cos(190°)=-0.984808,tan(190°)=0.176327 sin(191°)=-0.190809,cos(191°)=-0.981627,tan(191°)=0.194380 sin(192°)=-0.207912,cos(192°)=-0.978148,tan(192°)=0.212557 sin(193°)=-0.224951,cos(193°)=-0.974370,tan(193°)=0.230868 sin(194°)=-0.241922,cos(194°)=-0.970296,tan(194°)=0.249328 sin(195°)=-0.258819,cos(195°)=-0.965926,tan(195°)=0.267949 sin(196°)=-0.275637,cos(196°)=-0.961262,tan(196°)=0.286745sin(197°)=-0.292372,cos(197°)=-0.956305,tan(197°)=0.305731 sin(198°)=-0.309017,cos(198°)=-0.951057,tan(198°)=0.324920 sin(199°)=-0.325568,cos(199°)=-0.945519,tan(199°)=0.344328 sin(200°)=-0.342020,cos(200°)=-0.939693,tan(200°)=0.363970 sin(201°)=-0.358368,cos(201°)=-0.933580,tan(201°)=0.383864 sin(202°)=-0.374607,cos(202°)=-0.927184,tan(202°)=0.404026 sin(203°)=-0.390731,cos(203°)=-0.920505,tan(203°)=0.424475 sin(204°)=-0.406737,cos(204°)=-0.913545,tan(204°)=0.445229 sin(205°)=-0.422618,cos(205°)=-0.906308,tan(205°)=0.466308 sin(206°)=-0.438371,cos(206°)=-0.898794,tan(206°)=0.487733 sin(207°)=-0.453990,cos(207°)=-0.891007,tan(207°)=0.509525 sin(208°)=-0.469472,cos(208°)=-0.882948,tan(208°)=0.531709 sin(209°)=-0.484810,cos(209°)=-0.874620,tan(209°)=0.554309 sin(210°)=-0.500000,cos(210°)=-0.866025,tan(210°)=0.577350 sin(211°)=-0.515038,cos(211°)=-0.857167,tan(211°)=0.600861 sin(212°)=-0.529919,cos(212°)=-0.848048,tan(212°)=0.624869 sin(213°)=-0.544639,cos(213°)=-0.838671,tan(213°)=0.649408 sin(214°)=-0.559193,cos(214°)=-0.829038,tan(214°)=0.674509 sin(215°)=-0.573576,cos(215°)=-0.819152,tan(215°)=0.700208 sin(216°)=-0.587785,cos(216°)=-0.809017,tan(216°)=0.726543 sin(217°)=-0.601815,cos(217°)=-0.798636,tan(217°)=0.753554 sin(218°)=-0.615661,cos(218°)=-0.788011,tan(218°)=0.781286sin(219°)=-0.629320,cos(219°)=-0.777146,tan(219°)=0.809784 sin(220°)=-0.642788,cos(220°)=-0.766044,tan(220°)=0.839100 sin(221°)=-0.656059,cos(221°)=-0.754710,tan(221°)=0.869287 sin(222°)=-0.669131,cos(222°)=-0.743145,tan(222°)=0.900404 sin(223°)=-0.681998,cos(223°)=-0.731354,tan(223°)=0.932515 sin(224°)=-0.694658,cos(224°)=-0.719340,tan(224°)=0.965689 sin(225°)=-0.707107,cos(225°)=-0.707107,tan(225°)=1.000000 sin(226°)=-0.719340,cos(226°)=-0.694658,tan(226°)=1.035530 sin(227°)=-0.731354,cos(227°)=-0.681998,tan(227°)=1.072369 sin(228°)=-0.743145,cos(228°)=-0.669131,tan(228°)=1.110613 sin(229°)=-0.754710,cos(229°)=-0.656059,tan(229°)=1.150368 sin(230°)=-0.766044,cos(230°)=-0.642788,tan(230°)=1.191754 sin(231°)=-0.777146,cos(231°)=-0.629320,tan(231°)=1.234897 sin(232°)=-0.788011,cos(232°)=-0.615661,tan(232°)=1.279942 sin(233°)=-0.798636,cos(233°)=-0.601815,tan(233°)=1.327045 sin(234°)=-0.809017,cos(234°)=-0.587785,tan(234°)=1.376382 sin(235°)=-0.819152,cos(235°)=-0.573576,tan(235°)=1.428148 sin(236°)=-0.829038,cos(236°)=-0.559193,tan(236°)=1.482561 sin(237°)=-0.838671,cos(237°)=-0.544639,tan(237°)=1.539865 sin(238°)=-0.848048,cos(238°)=-0.529919,tan(238°)=1.600335 sin(239°)=-0.857167,cos(239°)=-0.515038,tan(239°)=1.664279 sin(240°)=-0.866025,cos(240°)=-0.500000,tan(240°)=1.732051sin(241°)=-0.874620,cos(241°)=-0.484810,tan(241°)=1.804048 sin(242°)=-0.882948,cos(242°)=-0.469472,tan(242°)=1.880726 sin(243°)=-0.891007,cos(243°)=-0.453990,tan(243°)=1.962611 sin(244°)=-0.898794,cos(244°)=-0.438371,tan(244°)=2.050304 sin(245°)=-0.906308,cos(245°)=-0.422618,tan(245°)=2.144507 sin(246°)=-0.913545,cos(246°)=-0.406737,tan(246°)=2.246037 sin(247°)=-0.920505,cos(247°)=-0.390731,tan(247°)=2.355852 sin(248°)=-0.927184,cos(248°)=-0.374607,tan(248°)=2.475087 sin(249°)=-0.933580,cos(249°)=-0.358368,tan(249°)=2.605089 sin(250°)=-0.939693,cos(250°)=-0.342020,tan(250°)=2.747477 sin(251°)=-0.945519,cos(251°)=-0.325568,tan(251°)=2.904211 sin(252°)=-0.951057,cos(252°)=-0.309017,tan(252°)=3.077684 sin(253°)=-0.956305,cos(253°)=-0.292372,tan(253°)=3.270853 sin(254°)=-0.961262,cos(254°)=-0.275637,tan(254°)=3.487414 sin(255°)=-0.965926,cos(255°)=-0.258819,tan(255°)=3.732051 sin(256°)=-0.970296,cos(256°)=-0.241922,tan(256°)=4.010781 sin(257°)=-0.974370,cos(257°)=-0.224951,tan(257°)=4.331476 sin(258°)=-0.978148,cos(258°)=-0.207912,tan(258°)=4.704630 sin(259°)=-0.981627,cos(259°)=-0.190809,tan(259°)=5.144554 sin(260°)=-0.984808,cos(260°)=-0.173648,tan(260°)=5.671282 sin(261°)=-0.987688,cos(261°)=-0.156434,tan(261°)=6.313752 sin(262°)=-0.990268,cos(262°)=-0.139173,tan(262°)=7.115370sin(263°)=-0.992546,cos(263°)=-0.121869,tan(263°)=8.144346 sin(264°)=-0.994522,cos(264°)=-0.104528,tan(264°)=9.514364 sin(265°)=-0.996195,cos(265°)=-0.087156,tan(265°)=11.430052 sin(266°)=-0.997564,cos(266°)=-0.069756,tan(266°)=14.300666 sin(267°)=-0.998630,cos(267°)=-0.052336,tan(267°)=19.081137 sin(268°)=-0.999391,cos(268°)=-0.034899,tan(268°)=28.636253 sin(269°)=-0.999848,cos(269°)=-0.017452,tan(269°)=57.289962 sin(270°)=-1.000000,cos(270°)=-0.000000,tan(270°)=无意义sin(271°)=-0.999848,cos(271°)=0.017452,tan(271°)=-57.289962 sin(272°)=-0.999391,cos(272°)=0.034899,tan(272°)=-28.636253 sin(273°)=-0.998630,cos(273°)=0.052336,tan(273°)=-19.081137 sin(274°)=-0.997564,cos(274°)=0.069756,tan(274°)=-14.300666 sin(275°)=-0.996195,cos(275°)=0.087156,tan(275°)=-11.430052 sin(276°)=-0.994522,cos(276°)=0.104528,tan(276°)=-9.514364 sin(277°)=-0.992546,cos(277°)=0.121869,tan(277°)=-8.144346 sin(278°)=-0.990268,cos(278°)=0.139173,tan(278°)=-7.115370 sin(279°)=-0.987688,cos(279°)=0.156434,tan(279°)=-6.313752 sin(280°)=-0.984808,cos(280°)=0.173648,tan(280°)=-5.671282 sin(281°)=-0.981627,cos(281°)=0.190809,tan(281°)=-5.144554 sin(282°)=-0.978148,cos(282°)=0.207912,tan(282°)=-4.704630 sin(283°)=-0.974370,cos(283°)=0.224951,tan(283°)=-4.331476 sin(284°)=-0.970296,cos(284°)=0.241922,tan(284°)=-4.010781sin(285°)=-0.965926,cos(285°)=0.258819,tan(285°)=-3.732051 sin(286°)=-0.961262,cos(286°)=0.275637,tan(286°)=-3.487414 sin(287°)=-0.956305,cos(287°)=0.292372,tan(287°)=-3.270853 sin(288°)=-0.951057,cos(288°)=0.309017,tan(288°)=-3.077684 sin(289°)=-0.945519,cos(289°)=0.325568,tan(289°)=-2.904211 sin(290°)=-0.939693,cos(290°)=0.342020,tan(290°)=-2.747477 sin(291°)=-0.933580,cos(291°)=0.358368,tan(291°)=-2.605089 sin(292°)=-0.927184,cos(292°)=0.374607,tan(292°)=-2.475087 sin(293°)=-0.920505,cos(293°)=0.390731,tan(293°)=-2.355852 sin(294°)=-0.913545,cos(294°)=0.406737,tan(294°)=-2.246037 sin(295°)=-0.906308,cos(295°)=0.422618,tan(295°)=-2.144507 sin(296°)=-0.898794,cos(296°)=0.438371,tan(296°)=-2.050304 sin(297°)=-0.891007,cos(297°)=0.453990,tan(297°)=-1.962611 sin(298°)=-0.882948,cos(298°)=0.469472,tan(298°)=-1.880726 sin(299°)=-0.874620,cos(299°)=0.484810,tan(299°)=-1.804048 sin(300°)=-0.866025,cos(300°)=0.500000,tan(300°)=-1.732051 sin(301°)=-0.857167,cos(301°)=0.515038,tan(301°)=-1.664279 sin(302°)=-0.848048,cos(302°)=0.529919,tan(302°)=-1.600335 sin(303°)=-0.838671,cos(303°)=0.544639,tan(303°)=-1.539865 sin(304°)=-0.829038,cos(304°)=0.559193,tan(304°)=-1.482561 sin(305°)=-0.819152,cos(305°)=0.573576,tan(305°)=-1.428148 sin(306°)=-0.809017,cos(306°)=0.587785,tan(306°)=-1.376382sin(307°)=-0.798636,cos(307°)=0.601815,tan(307°)=-1.327045 sin(308°)=-0.788011,cos(308°)=0.615661,tan(308°)=-1.279942 sin(309°)=-0.777146,cos(309°)=0.629320,tan(309°)=-1.234897 sin(310°)=-0.766044,cos(310°)=0.642788,tan(310°)=-1.191754 sin(311°)=-0.754710,cos(311°)=0.656059,tan(311°)=-1.150368 sin(312°)=-0.743145,cos(312°)=0.669131,tan(312°)=-1.110613 sin(313°)=-0.731354,cos(313°)=0.681998,tan(313°)=-1.072369 sin(314°)=-0.719340,cos(314°)=0.694658,tan(314°)=-1.035530 sin(315°)=-0.707107,cos(315°)=0.707107,tan(315°)=-1.000000 sin(316°)=-0.694658,cos(316°)=0.719340,tan(316°)=-0.965689 sin(317°)=-0.681998,cos(317°)=0.731354,tan(317°)=-0.932515 sin(318°)=-0.669131,cos(318°)=0.743145,tan(318°)=-0.900404 sin(319°)=-0.656059,cos(319°)=0.754710,tan(319°)=-0.869287 sin(320°)=-0.642788,cos(320°)=0.766044,tan(320°)=-0.839100 sin(321°)=-0.629320,cos(321°)=0.777146,tan(321°)=-0.809784 sin(322°)=-0.615661,cos(322°)=0.788011,tan(322°)=-0.781286 sin(323°)=-0.601815,cos(323°)=0.798636,tan(323°)=-0.753554 sin(324°)=-0.587785,cos(324°)=0.809017,tan(324°)=-0.726543 sin(325°)=-0.573576,cos(325°)=0.819152,tan(325°)=-0.700208 sin(326°)=-0.559193,cos(326°)=0.829038,tan(326°)=-0.674509 sin(327°)=-0.544639,cos(327°)=0.838671,tan(327°)=-0.649408 sin(328°)=-0.529919,cos(328°)=0.848048,tan(328°)=-0.624869sin(329°)=-0.515038,cos(329°)=0.857167,tan(329°)=-0.600861 sin(330°)=-0.500000,cos(330°)=0.866025,tan(330°)=-0.577350 sin(331°)=-0.484810,cos(331°)=0.874620,tan(331°)=-0.554309 sin(332°)=-0.469472,cos(332°)=0.882948,tan(332°)=-0.531709 sin(333°)=-0.453990,cos(333°)=0.891007,tan(333°)=-0.509525 sin(334°)=-0.438371,cos(334°)=0.898794,tan(334°)=-0.487733 sin(335°)=-0.422618,cos(335°)=0.906308,tan(335°)=-0.466308 sin(336°)=-0.406737,cos(336°)=0.913545,tan(336°)=-0.445229 sin(337°)=-0.390731,cos(337°)=0.920505,tan(337°)=-0.424475 sin(338°)=-0.374607,cos(338°)=0.927184,tan(338°)=-0.404026 sin(339°)=-0.358368,cos(339°)=0.933580,tan(339°)=-0.383864 sin(340°)=-0.342020,cos(340°)=0.939693,tan(340°)=-0.363970 sin(341°)=-0.325568,cos(341°)=0.945519,tan(341°)=-0.344328 sin(342°)=-0.309017,cos(342°)=0.951057,tan(342°)=-0.324920 sin(343°)=-0.292372,cos(343°)=0.956305,tan(343°)=-0.305731 sin(344°)=-0.275637,cos(344°)=0.961262,tan(344°)=-0.286745 sin(345°)=-0.258819,cos(345°)=0.965926,tan(345°)=-0.267949 sin(346°)=-0.241922,cos(346°)=0.970296,tan(346°)=-0.249328 sin(347°)=-0.224951,cos(347°)=0.974370,tan(347°)=-0.230868 sin(348°)=-0.207912,cos(348°)=0.978148,tan(348°)=-0.212557 sin(349°)=-0.190809,cos(349°)=0.981627,tan(349°)=-0.194380 sin(350°)=-0.173648,cos(350°)=0.984808,tan(350°)=-0.176327sin(351°)=-0.156434,cos(351°)=0.987688,tan(351°)=-0.158384 sin(352°)=-0.139173,cos(352°)=0.990268,tan(352°)=-0.140541 sin(353°)=-0.121869,cos(353°)=0.992546,tan(353°)=-0.122785 sin(354°)=-0.104528,cos(354°)=0.994522,tan(354°)=-0.105104 sin(355°)=-0.087156,cos(355°)=0.996195,tan(355°)=-0.087489 sin(356°)=-0.069756,cos(356°)=0.997564,tan(356°)=-0.069927 sin(357°)=-0.052336,cos(357°)=0.998630,tan(357°)=-0.052408 sin(358°)=-0.034899,cos(358°)=0.999391,tan(358°)=-0.034921 sin(359°)=-0.017452,cos(359°)=0.999848,tan(359°)=-0.017455 sin(360°)=-0.000000,cos(360°)=1.00000,tan(360°)=-0.000000。