MCQ
$\tan \left\{\frac{1}{2}\left(\tan ^{-1} x+\tan ^{-1} \frac{1}{x}\right)\right\}=$
  • 1
  • B
    $\sqrt{3}$
  • C
    $0$
  • D
    $\infty$

Answer

Correct option: A.
1
A

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