求Sin100 sin300 sin500 sin700的值
1个回答
Sin100约等于0.9848
sin300=-√3/2
sin500约等于0.6428
sin700约等于-0.3420
相关问题
求sin10sin30sin50sin70的值(最好有过程),还有的就是sin20sin60sin100sin140=c
求sin21°+sin22°+sin23°+…+sin288°+sin289°的值______.
求-sin167°sin223°+sin257°sin313°的值
求值Sin100°sin(-160°)+cos200°cos(-280°)
求值:sin10°sin50°sin70°sin80°
求值:sin10sin30sin50sin70
求值:sin6°sin42°sin66°sin78°
求值:sin6°sin42°sin66°sin78°
求sin20°+sin80°*sin40°的值.
求值sin10+2sin10sin20sin40