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int(1)/(sqrt(cos^(2)+cot^(2)x))dx=...

`int(1)/(sqrt(cos^(2)+cot^(2)x))dx=`

A

`-log(cosx+sqrt(1-cos^(2)x))+c`

B

`-log(cosx+sqrt(1+cos^(2)x))+c`

C

`-log(sinx+sqrt(1+sin^(2)x))+c`

D

`log(sqrt(cosec^(2)x+cot^(2)x))+c`

Text Solution

Verified by Experts

The correct Answer is:
B
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