The value of $\frac{\cos 2 \theta}{1-\sin 2 \theta}=$

  • A
    $\tan \left(\frac{\pi}{4}-\theta\right)$
  • B
    $\cot \left(\frac{\pi}{4}-\theta\right)$
  • C
    $\tan \left(\frac{\pi}{4}+\theta\right)$
  • D
    $\cot \left(\frac{\pi}{4}+\theta\right)$

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