sin70等于多少

问题描述:

sin70等于多少

等于cos20

sin70°≈0.93969262

如70是度的话,则sin70度=0.93969262078590838405410927732473
如70是弧度的话,则 sin70=sin70/2*3.14*360度=sin4012.7388535031847133757961783439度=0.79588423172184104115477500220993

sin70°≈0.9396926208