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Integrate the following functions sinx/(...

Integrate the following functions `sinx/(1+cosx)^2`

Text Solution

Verified by Experts

Let t = 1+cosx.
Then dt = -sinx dx
`gt sinx dx = -dt`
therefore `int sinx/(1+cosx)^2 dx = int 1/t^2 xx -dt = 1/t+c = 1/(1+cosx) +c`
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