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Evaluate: int(1-sinx)/(x+cosx)dx...

Evaluate: `int(1-sinx)/(x+cosx)dx`

Text Solution

Verified by Experts

I=`int(1-sinx)/(x+cosx)dx`
Let `x+cosx=t`
=`(1-sinx)dx=dt`
Thus,I=`int dt/t`
=`logt+c`
=`log(x+cosx)+c`
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