જો $\sin \left(\cot ^{-1}(x+1)\right)=\cos \left(\tan ^{-1} x\right)$ હોય,તો ધન વર્ગમૂળને ધ્યાનમાં લેતા,$x$ ની કિંમત $\qquad$ છે.

  • A
    $0$
  • B
    $\frac{9}{4}$
  • C
    $\frac{1}{2}$
  • D
    $-\frac{1}{2}$

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જો $y = \sin^{-1} \left( \frac{2x}{1 + x^2} \right)$,જ્યાં $0 < x < 1$ અને $0 < y < \frac{\pi}{2}$ હોય,તો $\frac{dy}{dx} = $

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

$\tan ^{-1}(-1)+\sec ^{-1}(-2)+\sin ^{-1} \frac{1}{\sqrt{2}}$ નું મૂલ્ય . . . . . . છે.

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

જો $y = \tan^{-1} \left[ \frac{x - \sqrt{1 - x^2}}{x + \sqrt{1 - x^2}} \right]$ હોય, તો $\frac{dy}{dx} =$

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