1.

sin12^(@)sin24^(@)sin48^(@)sin84^(@)=?

Answer»

`cos20^(@)cos40^(@)COS60^(@)cos80^(@)`
`sin20^(@)sin40^(@)sin60^(@)SIN80^(@)`
`(3)/(16)`
`(1)/(16)`

ANSWER :A


Discussion

No Comment Found