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int e^(x)(1+sin x)/(1+cos x) dx is equal...

`int e^(x)(1+sin x)/(1+cos x)` dx is equal to

A

`e^(x) tan (x)/(2)+c`

B

`tan (x)/(2)+C`

C

`e^(x)+C`

D

`e^(x) sin x +C`

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The correct Answer is:
A
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