If $tan(\pi sin \theta)$ $= cot(\pi cos \theta)$, then $\left| {\cot \left( {\theta  - \frac{\pi }{4}} \right)} \right|$ is -

  • A

    $\frac{1}{{\sqrt 7 }}$

  • B

    $\sqrt 7$

  • C

    $\frac{2}{{\sqrt 7 }}$

  • D

    $2 \sqrt 7$

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