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int ("cosec"^(2)x)/((1-cot^(2)x))dx=?...

`int ("cosec"^(2)x)/((1-cot^(2)x))dx=?`

Text Solution

Verified by Experts

The correct Answer is:
`-(1)/(2)log |(1+cot x)/(1-cot x)|+C`

put `cot x=t and - "cosec"^(2)x dx=dt.`
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