$|x| \geq 1$ માટે $\cos \left(\sec ^{-1} x+\csc ^{-1} x\right)$ ની કિંમત શોધો.

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

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ધારો કે $S$ એ સમીકરણ $\cos ^{-1}(2 x)-2 \cos ^{-1}\left(\sqrt{1-x^2}\right)=\pi$ ના તમામ ઉકેલોનો ગણ છે,જ્યાં $x \in\left[-\frac{1}{2}, \frac{1}{2}\right]$. તો $\sum_{x \in S} 2 \sin ^{-1}\left(x^2-1\right)$ ની કિંમત શોધો.

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

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

જો $\cos^{-1} x + \cos^{-1} y = 2\pi$ હોય,તો $\sin^{-1} x + \sin^{-1} y$ ની કિંમત શોધો.

$\tan ^2(\sec ^{-1} 4) + \cot ^2(\operatorname{cosec}^{-1} 3)$ નું મૂલ્ય શોધો.

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