$\int_0^{\frac{\pi}{4}} \log \left(\frac{\sin x+\cos x}{\cos x}\right) d x=$

  • A
    $\frac{\pi}{2} \log 2$
  • B
    $\frac{\pi}{4} \log 2$
  • C
    $\frac{\pi}{6} \log 2$
  • D
    $\frac{\pi}{8} \log 2$

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