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Prove the Identity (sin⁡x)(tan⁡xcos⁡x−cot⁡xcos⁡x)=1−2cos⁡2x( \sin x ) ( \tan x \cos x - \cot x \cos x ) = 1 - 2 \cos ^ { 2 } x

Question 15

Essay

Prove the identity.
- (sin⁡x)(tan⁡xcos⁡x−cot⁡xcos⁡x)=1−2cos⁡2x( \sin x ) ( \tan x \cos x - \cot x \cos x ) = 1 - 2 \cos ^ { 2 } x

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( \sin x ) ( \tan...

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