SOLUTION: Verify the identity: (cos x-sin x)^2=1-sin2x

SOLUTION: Verify the identity: (cos x-sin x)^2=1-sin2x

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Question 366440: Verify the identity: (cos x-sin x)^2=1-sin2x
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Prove:. Now

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