MCQ
$\int e^x \frac{1+\sin x}{1+\cos x} d x=$
  • $e^x \tan \frac{x}{2}+k$
  • B
    $e^x \sin \frac{x}{2}+k$
  • C
    $e^x \cos \frac{x}{2}+k$
  • D
    $e^x \cot \frac{x}{2}+k$

Answer

Correct option: A.
$e^x \tan \frac{x}{2}+k$
A

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