यदि $\frac{\pi}{2} \leq x \leq \frac{3 \pi}{4}$ है,तो $\cos ^{-1}\left(\frac{12}{13} \cos x+\frac{5}{13} \sin x\right)$ का मान ज्ञात कीजिए।

  • A
    $x-\tan ^{-1} \frac{4}{3}$
  • B
    $x-\tan ^{-1} \frac{5}{12}$
  • C
    $x+\tan ^{-1} \frac{4}{5}$
  • D
    $x+\tan ^{-1} \frac{5}{12}$

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Similar Questions

$\cos \left[ 2\cos^{-1}\frac{1}{5} + \sin^{-1}\frac{1}{5} \right] = $

यदि $\sin ^{-1}\left(\frac{3}{x}\right)+\sin ^{-1}\left(\frac{4}{x}\right)=\frac{\pi}{2}$ है, तो $x$ का मान ज्ञात कीजिए।

$x=\frac{1}{5}$ पर $\cos \left(2 \cos ^{-1} x+\sin ^{-1} x\right)$ का मान ज्ञात कीजिए,जहाँ $0 \leq \cos ^{-1} x \leq \pi$ और $-\frac{\pi}{2} \leq \sin ^{-1} x \leq \frac{\pi}{2}$ है।

$\sec ^2(\tan ^{-1} 2)+\operatorname{cosec}^2(\cot ^{-1} 3) = $

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

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