$\int \frac{dx}{\sin x + \cos x} = $

  • A
    $\log \tan \left( \frac{\pi}{8} + \frac{x}{2} \right) + c$
  • B
    $\log \tan \left( \frac{\pi}{8} - \frac{x}{2} \right) + c$
  • C
    $\frac{1}{\sqrt{2}} \log \tan \left( \frac{\pi}{8} + \frac{x}{2} \right) + c$
  • D
    इनमें से कोई नहीं

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