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Question #cea51

1 Answer

Apr 24, 2016

Your identity is not true!!

Explanation:

RHS:

$= \frac{\frac{1}{sin x} \times cos x}{\frac{sin x}{cos x} \times \frac{cos x}{sin x}}$ $= (1/sinx xx cosx)/(sinx/cosx xx cosx/sinx)$

$= \frac{\frac{cos x}{sin x}}{1}$ $= (cosx/sinx)/1$

$= cot x$ $= cotx$

Your identity is not true!!!

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