$\tan 67 \frac{1}{2}^{\circ} + \cot 67 \frac{1}{2}^{\circ}$ का मान है

  • A
    $\sqrt{2}$
  • B
    $3 \sqrt{2}$
  • C
    $2 \sqrt{2}$
  • D
    $2-\sqrt{2}$

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