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int sqrt(1+2cotx(cotx+cosecx))dx =...

`int sqrt(1+2cotx(cotx+cosecx))dx =`

A

`2 ln cos . (x)/(2) +C`

B

`2 ln sin. (x)/(2)+C`

C

`1/2 ln cos . (x)/(2)+C`

D

`ln sin x - ln (cosec x- cot x)+C`

Text Solution

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The correct Answer is:
B
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