三角函数对照表

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1、三角函数对照表三角函数对照表三角函数三角函数SINSINCOSCOSTANTAN三角函数三角函数SINSINCOSCOSTANTAN 000 01 10 090901 10 0无无110.01740.01740.99980.99980.01740.017489890.99980.99980.01740.017457.289957.2899 220.03480.03480.99930.99930.03490.034988880.99930.99930.03480.034828.636228.6362 330.05230.05230.99860.99860.05240.052487870.9986

2、0.99860.05230.052319.081119.0811 440.06970.06970.99750.99750.06990.069986860.99750.99750.06970.069714.300614.3006 550.08710.08710.99610.99610.08740.087485850.99610.99610.08710.087111.430011.4300 660.10450.10450.99450.99450.10510.105184840.99450.99450.10450.10459.51439.5143 770.12180.12180.99250.9925

3、0.12270.122783830.99250.99250.12180.12188.14438.1443 880.13910.13910.99020.99020.14050.140582820.99020.99020.13910.13917.11537.1153 990.15640.15640.98760.98760.15830.158381810.98760.98760.15640.15646.31376.3137 10100.17360.17360.98480.98480.17630.176380800.98480.98480.17360.17365.67125.6712 11110.19

4、080.19080.98160.98160.19430.194379790.98160.98160.19080.19085.14455.1445 12120.20790.20790.97810.97810.21250.212578780.97810.97810.20790.20794.70464.7046 13130.22490.22490.97430.97430.23080.230877770.97430.97430.22490.22494.33144.3314 14140.24190.24190.97020.97020.24930.249376760.97020.97020.24190.2

5、4194.01074.0107 15150.25880.25880.96590.96590.26790.267975750.96590.96590.25880.25883.73203.7320 16160.27560.27560.96120.96120.28670.286774740.96120.96120.27560.27563.48743.4874 17170.29230.29230.95630.95630.30570.305773730.95630.95630.29230.29233.27083.2708 18180.30900.30900.95100.95100.32490.32497

6、2720.95100.95100.30900.30903.07763.0776 19190.32550.32550.94550.94550.34430.344371710.94550.94550.32550.32552.90422.9042 20200.34200.34200.93960.93960.36390.363970700.93960.93960.34200.34202.74742.7474 21210.35830.35830.93350.93350.38380.383869690.93350.93350.35830.35832.60502.6050 22220.37460.37460

7、.92710.92710.40400.404068680.92710.92710.37460.37462.47502.4750 23230.39070.39070.92050.92050.42440.424467670.92050.92050.39070.39072.35582.3558 24240.40670.40670.91350.91350.44520.445266660.91350.91350.40670.40672.24602.2460 25250.42260.42260.90630.90630.46630.466365650.90630.90630.42260.42262.1445

8、2.1445 26260.43830.43830.89870.89870.48770.487764640.89870.89870.43830.43832.05032.0503 27270.45390.45390.89100.89100.50950.509563630.89100.89100.45390.45391.96261.9626 28280.46940.46940.88290.88290.53170.531762620.88290.88290.46940.46941.88071.8807 29290.48480.48480.87460.87460.55430.554361610.8746

9、0.87460.48480.48481.80401.8040 30300.50000.50000.86600.86600.57730.577360600.86600.86600.50000.50001.73201.7320 31310.51500.51500.85710.85710.60080.600859590.85710.85710.51500.51501.66421.6642 32320.52990.52990.84800.84800.62480.624858580.84800.84800.52990.52991.60031.6003 33330.54460.54460.83860.83

10、860.64940.649457570.83860.83860.54460.54461.53981.5398 34340.55910.55910.82900.82900.67450.674556560.82900.82900.55910.55911.48251.4825 35350.57350.57350.81910.81910.70020.700255550.81910.81910.57350.57351.42811.428136360.58770.58770.80900.80900.72650.726554540.80900.80900.58770.58771.37631.3763 373

11、70.60180.60180.79860.79860.75350.753553530.79860.79860.60180.60181.32701.3270 38380.61560.61560.78800.78800.78120.781252520.78800.78800.61560.61561.27991.2799 39390.62930.62930.77710.77710.80970.809751510.77710.77710.62930.62931.23481.2348 40400.64270.64270.76600.76600.83900.839050500.76600.76600.64

12、270.64271.19171.1917 41410.65600.65600.75470.75470.86920.869249490.75470.75470.65600.65601.15031.1503 42420.66910.66910.74310.74310.90040.900448480.74310.74310.66910.66911.11061.1106 43430.68190.68190.73130.73130.93250.932547470.73130.73130.68190.68191.07231.0723 44440.69460.69460.71930.71930.96560.

13、965646460.71930.71930.69460.69461.03551.0355 45450.70710.70710.70710.70711 145450.70710.70710.70710.70711 1同角基本关系式同角基本关系式倒数关系商的关系平方关系tancot1 sincsc1 cossec1 sinsectancoscsc coscsccotsinsec 222222sincos11tansec1 cotcsc诱导公式诱导公式sin()sin cos()costan()tan cot()cot sin()cos2cos()sin2tan()cot2cot()tan2sin(

14、)sin cos()cos tan()tan cot()cot 3sin()cos2 3cos()sin2 3tan()cot2 3cot()tan2 sin(2)sincos(2)costan(2)tancot(2)cot (其中 kZ)sin()cos2cos()sin2tan()cot2cot()tan2 sin()sin cos()cos tan()tan cot()cot 3sin()cos2 3cos()sin2 3tan()cot2 3cot()tan2 sin(2)sincos(2)costan(2)tancot(2)cot两角和与差的三角函数公式两角和与差的三角函数公式万能公式万能公式sin()sincoscossin sin()sincoscossin cos()coscossinsin cos()coscossinsin tantantan()1tantantantantan()1tantan2tan(/ 2)sin1tan2(/ 2)1tan2(/ 2)cos1tan2(/ 2)2tan(/ 2)tan1tan2(/ 2)半角的正弦、余弦和正切公式半角的正弦、余弦和正切公式三角函数的降幂公式三角函数的降幂公式1 cossin()221 coscos()221 cos1 cossintan()21 cossin1 c