# Trigonometric Identities Section

## Homework Statement

3sinx = 1 + cos 2x

N/A

## The Attempt at a Solution

3sinx = 1+1 - 2sin2x (Trigonometric Identity)
3sinx = 2-2sin2x
2sin2x + 3sinx = 2

I do not know where to go from there.
My book tells me the answer is 30o and 150o

## Answers and Replies

What happens when you take 2 away from both sides?