કિંમત શોધો: $\cos^{-1}\sqrt{1-x} + \sin^{-1}\sqrt{1-x}$

  • A
    $\pi$
  • B
    $\frac{\pi}{2}$
  • C
    $1$
  • D
    $0$

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જો $A = \tan^{-1}x$ હોય,તો $\sin 2A = $

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

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

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.

કિંમત શોધો: $\cos^{-1} \left( \cos \frac{7\pi}{6} \right)$

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