SOLUTION: verify the identity: (cos^2x)-(sin^2x)=(1-2sin^2X)

SOLUTION: verify the identity: (cos^2x)-(sin^2x)=(1-2sin^2X)

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Question 402561: verify the identity:
(cos^2x)-(sin^2x)=(1-2sin^2X)
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Using the identity , if we subtract from both sides, we obtain and we're done.
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