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Question
Integrate the following functions with respect to x :
`(sin^2x)/(1 + cosx)`
Solution
`int (sin^2x)/(1 + cosx) "d"x = int (1 - cos^2x)/(1 + cosx) "d"x`
= `int ((1 + cosx) xx (1 - cosx))/(1 + cosx) "d"x`
= `int (1 - cosx) "d"x`
= `int "d"x - int cosx "d"x`
= x – sin x + c
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