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The integral int((X)/(xsinx + cosx))^2dx...

The integral `int((X)/(xsinx + cosx))^2dx` is equal to
(where C is a constant integration) :

A

`secx-(xtanx)/(xsinx + cosx)+C`

B

`secx+(xtanx)/(xsinx + cosx)+C`

C

`tanx-(xsecx)/(xsinx + cosx)+C`

D

`tanx+(xsecx)/(xsinx + cosx)+C`

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