$\sqrt{3} \csc 20^{\circ} - \sec 20^{\circ} = $

  • A
    $2$
  • B
    $\frac{2 \sin 20^{\circ}}{\sin 40^{\circ}}$
  • C
    $4$
  • D
    $\frac{4 \sin 20^{\circ}}{\sin 40^{\circ}}$

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