यदि $\cos^{-1} \sqrt{p} + \cos^{-1} \sqrt{1-p} + \cos^{-1} \sqrt{1-q} = \frac{3\pi}{4}$ है,तो $q$ का मान ज्ञात कीजिए।

  • A
    $1$
  • B
    $\frac{1}{\sqrt{2}}$
  • C
    $\frac{1}{3}$
  • D
    $\frac{1}{2}$

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सिद्ध कीजिए कि $\sin ^{-1} \frac{3}{5}-\sin ^{-1} \frac{8}{17}=\cos ^{-1} \frac{84}{85}$

यदि $\tan ^{-1} \sqrt{x^2+x}+\sin ^{-1} \sqrt{x^2+x+1}=\frac{\pi}{2}$ है,तो $x$ का मान ज्ञात कीजिए।

$\cos \left[ {{\tan }^{ - 1}}\frac{1}{3} + {{\tan }^{ - 1}}\frac{1}{2} \right] = $

यदि $0 < x < \frac{1}{2}$ के लिए $y = 2\sin^{-1} \sqrt{1-x} + \sin^{-1} (2\sqrt{x(1-x)})$ है,तो $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

$\tan ^{-1} x+2 \cot ^{-1} x=\frac{2 \pi}{3}$ का हल है

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