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Verify That Each Equation Is an Identity 2tan⁡x1+tan⁡2x=sin⁡2x\frac{2 \tan x}{1+\tan ^{2} x}=\sin 2 x

Question 9

Essay

Verify that each equation is an identity.
- 2tan⁡x1+tan⁡2x=sin⁡2x\frac{2 \tan x}{1+\tan ^{2} x}=\sin 2 x

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