SOLUTION: Prove the identity. 2tan(x)/1+tan^2(x)=sin(2x)

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Question 1110251: Prove the identity.
2tan(x)/1+tan^2(x)=sin(2x)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
2tan(x)/1+tan^2(x)=sin(2x)
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2tan%28x%29%2F1%2Btan%5E2%28x%29=sin%282x%29
2tan%28x%29+%2B+tan%5E2%28x%29=sin%282x%29
2tan%28pi%2F4%29+%2B+tan%5E2%28pi%2F4%29=sin%28pi%2F2%29
2 + 1 = 0
Not an identity.