$\tan 40^{\circ} + \tan 11^{\circ} + \tan 20^{\circ} - \tan 56^{\circ} + \tan 56^{\circ} \tan 11^{\circ} + \sqrt{3} \tan 40^{\circ} \tan 20^{\circ}$ ની કિંમત શોધો.

  • A
    $\sqrt{3}-1$
  • B
    $\sqrt{3}+1$
  • C
    $1$
  • D
    $0$

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