SOLUTION: prove or disprove with trig identities 2cos(x)=sin2(x) Thank you so much!

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Question 1151363: prove or disprove with trig identities
2cos(x)=sin2(x)
Thank you so much!
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

2cos%28x%29=sin%5E2%28x%29=> it is not an identity
reason: using identity sin%5E2%28x%29%2Bcos%5E2%28x%29=1=>sin%5E2%28x%29=1-cos%5E2%28x%29