$\tan\, 20^{\circ} + \tan\, 40^{\circ} + \sqrt{3}\, \tan\, 20^{\circ} \tan\, 40^{\circ}$ का मान क्या है?

  • A
    $\frac{\sqrt{3}}{2}$
  • B
    $\frac{\sqrt{3}}{4}$
  • C
    $\sqrt{3}$
  • D
    $1$

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