यदि $y = \cos^{-1}\left( \frac{3\cos x + 4\sin x}{5} \right)$ है,तो $\frac{dy}{dx} = $

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

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Similar Questions

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

$\cot \left(\sum_{n=1}^{23} \cot ^{-1}\left(1+\sum_{k=1}^n 2 k\right)\right)$ का मान ज्ञात कीजिए।

सिद्ध कीजिए कि $\sin ^{-1} \frac{8}{17}+\sin ^{-1} \frac{3}{5}=\tan ^{-1} \frac{77}{36}$

$\tan \left( \tan^{-1} \frac{1}{2} - \tan^{-1} \frac{1}{3} \right)$ का मान क्या है?

$\tan \left\{\frac{1}{2} \cos ^{-1} \frac{\sqrt{5}}{3}\right\}$ का मान है

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