SOLUTION: express in simplest form: 2-2sin^2 x-cosx

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Question 724635: express in simplest form: 2-2sin^2 x-cosx
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
express in simplest form:
2-2sin^2 x-cosx
----
2 -2(1-cos^2(x))-cos(x)
---
2 - 2 + 2cos^2(x) - cos(x)
----
= 2cos^2(x) - cos(x)
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Cheers,
Stan H.
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