sin60°的相反数是( )A.-1/2B.√3/3C.-√3/2D.-√2/2

来源:学生作业帮助网 编辑:作业帮 时间:2024/03/29 17:50:44
sin60°的相反数是( )A.-1/2B.√3/3C.-√3/2D.-√2/2

sin60°的相反数是( )A.-1/2B.√3/3C.-√3/2D.-√2/2
sin60°的相反数是( )
A.-1/2
B.√3/3
C.-√3/2
D.-√2/2

sin60°的相反数是( )A.-1/2B.√3/3C.-√3/2D.-√2/2
应该选C啊.
sin60°
=√3/2,所以相反数就是-√3/2.

sin60=二分之根号三
所以选C

你好!
sin60°=√3/2 相反数是-√3/2