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

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) (Show Source): You can put this solution on YOUR website!

=> it is an identity
reason: using identity =>
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