Question

What is sin(pi/3 + x) - sin(pi/3 - x) equal to ?

Answer 1

Help!!!!

Answer 2

http://en.wikipedia.org/wiki/Trig_Identity#Angle_sum_and_difference_identities
use the sum/difference identities

Answer 3

\[(\sin(\pi/3)\cos x + \cos(\pi/3) \sin x) - (\sin(\pi/3)\cos x - \cos(\pi/3) \sin x)\]

Answer 4

Yes but then how do you simplify ?

Answer 5

Sry thanks a lot, was stupid

Answer 6

haha ok you got it :)
= sin x