MCQ
$\tan ^{-1} 1+\tan ^{-1} \frac{1}{3}=$ ?
  • $\tan ^{-1} 2$
  • B
    $\tan ^{-1} 3$
  • C
    $\tan ^{-1} \frac{4}{3}$
  • D
    $\tan ^{-1} \frac{2}{3}$

Answer

Correct option: A.
$\tan ^{-1} 2$
A

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