यदि $\cos^{-1} \frac{3}{5} - \sin^{-1} \frac{4}{5} = \cos^{-1} x$ है,तो $x = $

  • A
    $0$
  • B
    $1$
  • C
    $-1$
  • D
    $2$

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Similar Questions

सिद्ध कीजिए कि $\frac{9 \pi}{8} - \frac{9}{4} \sin^{-1} \frac{1}{3} = \frac{9}{4} \sin^{-1} \frac{2 \sqrt{2}}{3}$.

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$\sin ^{-1}\left(-\frac{1}{\sqrt{2}}\right)+\cos ^{-1}\left(-\frac{1}{2}\right)-\cot ^{-1}\left(-\frac{1}{\sqrt{3}}\right)+\tan ^{-1}(\sqrt{3})$ का मान ज्ञात कीजिए।

$\cot \left(\tan ^{-1} a+\cot ^{-1} a\right)$ का मान ज्ञात कीजिए।

यदि $y = \sin^{-1}\left(\frac{19}{20}x\right) + \cos^{-1}\left(\frac{19}{20}x\right)$ है,तो $\frac{dy}{dx} = $

$4 \tan^{-1} \frac{1}{5} - \tan^{-1} \frac{1}{239}$ का मान ज्ञात कीजिए।

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