$\tan ^{-1}\left\{\frac{\sqrt{1+x}-\sqrt{1-x}}{\sqrt{1+x}+\sqrt{1-x}}\right\}+\frac{1}{2} \cos ^{-1} x$ ની કિંમત શોધો.

  • A
    $\frac{\pi}{2}$
  • B
    $\frac{\pi}{4}$
  • C
    $0$
  • D
    $\frac{\pi}{3}$

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Similar Questions

$2 \tan ^{-1} \frac{1}{2} + \tan ^{-1} \frac{3}{8}$ નું મૂલ્ય શું છે?

સમીકરણ $\tan ^{-1}(1+x)+\tan ^{-1}(1-x)=\frac{\pi}{2}$ નો ઉકેલ શોધો.

જો ${\sin ^{ - 1}}x + {\cot ^{ - 1}}\left( {\frac{1}{2}} \right) = \frac{\pi }{2}$ હોય,તો $x$ ની કિંમત શોધો.

$\tan ^{-1} \sqrt{3} - \cot ^{-1}(-\sqrt{3}) = $ . . . . . . .

જો $\cos^{-1} x = \alpha$ $(0 < x < 1)$ અને $\sin^{-1} (2 x \sqrt{1 - x^2}) + \sec^{-1} (\frac{1}{2 x^2 - 1}) = \frac{2 \pi}{3}$ હોય,તો $\alpha$ ની કિંમત શોધો.

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