MCQ
$\cot ^{-1}(-1)$ का मुख्य मान है
  • A
    $\frac{-\pi}{4}$
  • B
    $\frac{\pi}{4}$
  • C
    $\frac{5 \pi}{4}$
  • $\frac{3 \pi}{4}$

Answer

Correct option: D.
$\frac{3 \pi}{4}$
D

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