$\cos ^{-1}\left(-\frac{1}{2}\right)$ નું મુખ્ય મૂલ્ય શોધો.

  • A
    $\frac{\pi}{2}$
  • B
    $\frac{\pi}{6}$
  • C
    $\frac{2 \pi}{3}$
  • D
    $\frac{5 \pi}{6}$

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Similar Questions

જે અંતરાલ માટે ${\sin ^{ - 1}}\sqrt x + {\cos ^{ - 1}}\sqrt x = \frac{\pi }{2}$ સાચું છે તે:

$\cot^{-1}(-\sqrt{3})$ નું મુખ્ય મૂલ્ય શોધો.

$\tan ^{-1}(-\sqrt{3})-\sin ^{-1}\left(\frac{1}{\sqrt{2}}\right)+\cos ^{-1}\left(\frac{-1}{2}\right)$ ની કિંમત શોધો.

$1 + \cot^2(\sin^{-1}x) = $

$\sec ^{-1}\left(\frac{2}{\sqrt{3}}\right)$ નું મુખ્ય મૂલ્ય શોધો.

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