int(x^(2)+cos^(2)x)/(x^(2)+1."cosec"^(2)...

`int(x^(2)+cos^(2)x)/(x^(2)+1."cosec"^(2)xdx` is equal to

A

`cotx+cot^(-1)x+C`

B

`-e^("In "tan^(-1)x)-cotx+C`

C

`C-cotx+cot^(-1)x`

D

`-tan^(-1)x-(cosecx)/(secx)+C`

Verified by Experts

The correct Answer is:

C

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