# Sin and Cos

Pro Problems > Math > Algebra > Functions > Trigonometry > Equations## Sin and Cos

Solve for x in the interval [0, 2p)

-2(sin^{2} x)(cos x) + cos^{2} x = 1

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Problem by Mr. Twitchell

## Solution

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Click here to assign this problem to your students.## Similar Problems

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^{2}X)(cosX) =3

4

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