Question

Find : $\int \frac{cosx}{sin^{2}x}(1-3\:cos^{2}x)dx$​

Answer 1

_____________Hello_Sir______________

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$USING \: \: PROPERTIES \\ \\ |1| \: \frac{cosx}{sinx} = cotx \\ \\ |2| \: {cot}^{2} x = ( {cosec}^{2} x - 1)$

Hope My Answer Is Capable to clear your Confusion

_-_-_-_-_$BE \: \: BRAINLY$_-_-_-_-_