$\frac{\tan ^{-1}(\sqrt{3})-\sec ^{-1}(-2)}{\operatorname{cosec}^{-1}(-\sqrt{2})+\cos ^{-1}\left(-\frac{1}{2}\right)}=$

  • A
    $\frac{4}{5}$
  • B
    $-\frac{4}{5}$
  • C
    $\frac{3}{5}$
  • D
    $0$

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