$\tan^{-1} [2 \cos (2 \sin^{-1} \frac{1}{2})] = \dots \dots \dots$

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

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Similar Questions

$\cot^{-1}\left(\frac{-1}{\sqrt{3}}\right)$ નું મુખ્ય મૂલ્ય . . . . . . ની બરાબર છે.

$\tan ^{-1}\left(\tan \frac{7 \pi}{6}\right)$ ની કિંમત શોધો.

$2 \coth^{-1}(4) + \text{sech}^{-1}\left(\frac{3}{5}\right) = $

$\tan ^{-1}(-1)$ નું મુખ્ય મૂલ્ય શોધો.

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

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