Mathematics

$$\int { \cfrac { \cos { x } -1 }{ \sin { x } +1 }  } { e }^{ x }dx$$ is equal to:


ANSWER

$$\cfrac { { e }^{ x }\cos { x } }{ 1+\sin { x } } +c$$


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Single Correct Medium Published on 17th 09, 2020
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