Question

Find the Exact Value of:
sin (-π/12) by using π/3 and π/4

Answer 1

@mustafa2014

Answer 2

(-π/12) = π/4 - π/3

Answer 3

Also, sin(A-B)=sin A cos B - cos A sin B

Answer 4

sin 45 cos 60 - cos 45 sin 50
?

Answer 5

sin 45 cos 60 - cos 45 sin 60
?

Answer 6

sin(-)=.....
sin(a + b)=........

Answer 7

@kaylala Yes.

Answer 8

((sqrt2)/4) - ((sqrt6)/4)
@Callisto

Answer 9

Looks good :)

Answer 10

okay thanks @Callisto