MCQ
$\tan ^{-1}\left(\frac{x}{y}\right)-\tan ^{-1}\left(\frac{x-y}{x+y}\right)=$
  • A
    $\frac{\pi}{2}$
  • B
    $\frac{\pi}{3}$
  • $\frac{\pi}{4}$
  • D
    $\frac{\pi}{4}$ या $\frac{3 \pi}{4}$

Answer

Correct option: C.
$\frac{\pi}{4}$
C

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