मान ज्ञात कीजिए: $\sec^2(\tan^{-1} 2) + \csc^2(\cot^{-1} 3)$

  • A
    $5$
  • B
    $13$
  • C
    $15$
  • D
    $6$

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Similar Questions

$2 \coth^{-1}(4) + \text{sech}^{-1}\left(\frac{3}{5}\right) = $

यदि $\sin (\cot ^{ - 1}(x + 1)) = \cos (\tan ^{ - 1}x)$ है,तो $x =$

$\tan \left( 2{{\cos }^{ - 1}}\frac{3}{5} \right) = $

यदि $\operatorname{sech}^{-1} x + \operatorname{cosech}^{-1} x$ का परिसर $[a, b]$ है,तो

$\sin ^{-1}\left(\sin \frac{2 \pi}{3}\right)$ का मान ज्ञात कीजिए।

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