$\cos ^{-1}\left(-\frac{1}{2}\right)$ 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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$\frac{\tan^{-1}(1) + \cos^{-1}(\frac{1}{2}) + \sin^{-1}(\frac{1}{2})}{\tan^{-1}(\sqrt{3}) - \sec^{-1}(-2)}$ ની કિંમત કોના બરાબર છે?

જો $x + \frac{1}{x} = 2$ હોય,તો $\sin^{-1} x$ નું મુખ્ય મૂલ્ય શું થાય?

$\sin \left(2 \cos ^{-1} \left(-\frac{3}{5}\right)\right)$ ની કિંમત શોધો.

$\cot \left[ \cos^{-1} \left( \frac{7}{25} \right) \right] = $

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

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