$\int \frac{\sin x+\cos x}{\sin x-\cos x} d x=$

  • A
    $x+\log |\sin x-\cos x|+c$
  • B
    $x-\log |\sin x-\cos x|+c$
  • C
    $-\log |\sin x-\cos x|+c$
  • D
    $\log |\sin x-\cos x|+c$

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