三角函数表.doc

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1、三角函数表见表-1表-1 三角函数表已知（假设）求得公式ABabAabBCabBabcAa b c面积Abc圆周=2R 圆面积=R2 =3.1416。正弦正切余弦余切。0000000.00001.0000Lnfin.9010.01750.01750.999957.29008920.03490.03490.999428.63638830.05230.05240.998619.08118740.06890.06990.997614.30078650.08720.08750.996211.43018560.10450.10510.99459.51448470.12190.12280.99268.14

2、448380.13920.14050.99037.11548290.15640.15840.98776.313881100.17370.17630.98485.617380110.19080.19440.98165.144679120.20790.21260.97824.704678130.22500.23090.97444.331577140.24190.24930.97034.010376150.25880.26800.96593.732175160.27560.28680.96133.487474170.29240.30570.95633.270973180.30900.32490.95

3、113.077772190.32560.34430.94552.904271200.34200.36400.93972.747570210.35840.38390.93362.605169220.37460.40400.92722.475168230.39070.42450.92052.855967240.40670.44520.91362.246066250.42260.46630.90632.144565260.43840.48770.89882.050364270.45400.50950.89101.962663280.46950.53170.88301.880762290.48480.

4、55480.87461.804161300.50000.57740.86601.732160310.51500.60090.85721.664359320.53000.62490.84801.600358330.54460.64940.83871.539957340.55920.67450.82901.482656350.57360.70020.81921.428255360.58780.72650.80901.376454370.60180.75360.79861.327053380.61570.78130.78801.277952390.62930.80980.77721.234951400.64280.83910.76601.191850410.65600.86930.75471.150449420.66910.90040.74311.110048430.68200.93250.73141.072447440.69470.96570.71931.035546450.70711.00000.70711.000045。正弦正切余弦余切。