$\tan \left(2 \tan ^{-1}\left(\frac{3}{5}\right)+\sin ^{-1}\left(\frac{5}{13}\right)\right)$ का मान ज्ञात कीजिए:

  • A
    $\frac{-291}{76}$
  • B
    $\frac{-181}{69}$
  • C
    $\frac{151}{63}$
  • D
    $\frac{220}{21}$

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$2 \tan ^{-1}\left(\frac{1}{3}\right)+\tan ^{-1}\left(\frac{1}{7}\right)$ का मान ज्ञात कीजिए।

यदि $\sin ^{-1}\left(\frac{x}{13}\right)+\operatorname{cosec}^{-1}\left(\frac{13}{12}\right)=\frac{\pi}{2}$ है, तो $x$ का मान ज्ञात कीजिए।

सिद्ध कीजिए कि $\tan ^{-1} \frac{63}{16}=\sin ^{-1} \frac{5}{13}+\cos ^{-1} \frac{3}{5}$

यदि $y = \cos^{-1}(\cos x)$ है,तो $x = \frac{5\pi}{4}$ पर $\frac{dy}{dx}$ ज्ञात कीजिए।

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।

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