MCQ
$\cos ^{-1}\left(\frac{1}{2}\right)+\sin ^{-1}\left(\frac{-1}{\sqrt{2}}\right)$ का मुख्य मान है$-$
  • $\frac{\pi}{12}$
  • B
    $\pi$
  • C
    $\frac{\pi}{3}$
  • D
    $\frac{\pi}{6}$

Answer

Correct option: A.
$\frac{\pi}{12}$
$\cos ^{-1}\left(\frac{1}{2}\right)+\sin ^{-1}\left(\frac{-1}{\sqrt{2}}\right)$
$=\frac{\pi}{3}+\left(\frac{-\pi}{4}\right)=\frac{\pi}{12}$
अतः विकल्प $(A)$ सही है।

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