sin负三分之十π等于多少?
答案:3 悬赏:80
解决时间 2021-01-14 14:48
- 提问者网友:沦陷
- 2021-01-13 21:24
sin负三分之十π等于多少?
最佳答案
- 二级知识专家网友:污到你湿
- 2021-01-13 21:58
sin(-10π/3)
=sin(-4π+2π/3)
=sin(2π/3)
=sin(π-π/3)
=sin(π/3)
=√3/2
=sin(-4π+2π/3)
=sin(2π/3)
=sin(π-π/3)
=sin(π/3)
=√3/2
全部回答
- 1楼网友:鱼忧
- 2021-01-13 23:27
0.1817545745
- 2楼网友:山有枢
- 2021-01-13 23:09
=sin2丌/3=根号3/2
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