The value of $\cot \frac{\pi}{24}$ is :

  • [JEE MAIN 2021]
  • A

    $\sqrt{2}-\sqrt{3}-2+\sqrt{6}$

  • B

    $3 \sqrt{2}-\sqrt{3}-\sqrt{6}$

  • C

    $\sqrt{2}-\sqrt{3}+2-\sqrt{6}$

  • D

    $\sqrt{2}+\sqrt{3}+2+\sqrt{6}$

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