मान ज्ञात कीजिए: $\tan ^2(\sec ^{-1} 3) + \operatorname{cosec}^2(\cot ^{-1} 2) + \cos ^2(\cos ^{-1} \frac{2}{3} + \sin ^{-1} \frac{2}{3}) = $ . . . . . . .

  • A
    $14$
  • B
    $15$
  • C
    $16$
  • D
    $13$

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Similar Questions

$\begin{aligned} & \text{यदि } \cot \left(\cos ^{-1} x\right)=\sec \left\{\tan ^{-1}\left(\frac{a}{\sqrt{b^2-a^2}}\right)\right\} \\ & b>a, \text{ तो } x= \end{aligned}$

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

$\cos \left[ {{\cos }^{ - 1}}\left( {\frac{{ - 1}}{7}} \right) + {{\sin }^{ - 1}}\left( {\frac{{ - 1}}{7}} \right) \right] = $

$\tan ^{-1}(x+1)+\cot ^{-1}\left(\frac{1}{x-1}\right)=\tan ^{-1}\left(\frac{8}{31}\right)$ के लिए $x$ के संभावित मानों का योग क्या है?

$2 \tan ^{-1} \frac{1}{2} + \tan ^{-1} \frac{3}{8}$ का मान क्या है?

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