- #1

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- 5

## Homework Statement

8 sin

^{3}θ – 6 sin θ + 1 = 0

The answer includes changing this to

-2sin3θ+1=0

## Homework Equations

The double angle identities

Sin2θ=sinθcosθ+cosθsinθ

## The Attempt at a Solution

I do not know how to get started with this question