Evaluate int (cos^3x )/(sin^4 x) dx...

Evaluate `int (cos^3x )/(sin^4 x) dx`

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The correct Answer is:

`cosec x-1/3 cosec^3 x+C`

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ARIHANT PRAKASHAN-INTEGRATION -TOPIC 1 (PRACTISE QUESTIONS) (4 MARK QUESTIONS)

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