$2 \tan ^{-1}\left(\frac{1}{3}\right)+\cos ^{-1}\left(\frac{3}{5}\right)=$

  • A
    $\frac{\pi}{4}$
  • B
    $0$
  • C
    $\tan ^{-1}\left(\frac{5}{4}\right)$
  • D
    $\frac{\pi}{2}$

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