I want to go from to

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- Dec 28th 2011, 09:48 AMDukesimplify
I want to go from to

- Dec 28th 2011, 10:26 AMAmerRe: simplify
- Dec 28th 2011, 12:23 PMDukeRe: simplify
I take sin^4(x) out and that helps numerator but I can't see the way forward.

- Dec 28th 2011, 12:59 PMSironRe: simplify
We are given:

Rewriting as: