General solution of the equation $\cot \theta - \tan \theta = 2$ is

  • A

    $n\pi + \frac{\pi }{4}$

  • B

    $\frac{{n\pi }}{2} + \frac{\pi }{8}$

  • C

    $\frac{{n\pi }}{2} \pm \frac{\pi }{8}$

  • D

    None of these

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