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

  • A

    $\frac{1}{{\sqrt 2 }}$

  • B

    $\frac{1}{2}$

  • C

    $\frac{1}{{2\sqrt 2 }}$

  • D

    $\frac{{\sqrt 3 }}{2}$

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