$\tan ^{-1}(-\sqrt{3})-\sin ^{-1}\left(\frac{1}{\sqrt{2}}\right)+\cos ^{-1}\left(\frac{-1}{2}\right)$ का मान ज्ञात कीजिए।

  • A
    $\frac{-\pi}{4}$
  • B
    $\frac{4 \pi}{3}$
  • C
    $\frac{\pi}{12}$
  • D
    $\frac{7 \pi}{12}$

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$\tan ^{-1}\left(\tan \frac{7 \pi}{6}\right)$ का मान ज्ञात कीजिए।

$\tan \left[ \sec^{-1} \sqrt{1 + x^2} \right] = $

$\cos ^{-1}\left(\cos \frac{13 \pi}{6}\right)$ का मान ज्ञात कीजिए।

$\cos^{-1}(\cos \frac{5\pi}{3}) + \sin^{-1}(\sin \frac{5\pi}{3})$ का मान ज्ञात कीजिए।

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