यदि ${\cot ^{ - 1}}x + {\tan ^{ - 1}}3 = \frac{\pi }{2}$ है,तो $x =$

  • A
    $1/3$
  • B
    $1/4$
  • C
    $3$
  • D
    $4$

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Similar Questions

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

$\cos \left(\tan^{-1} x\right) = . . . . . . . (|x| < 1)$.

$\sin^{-1}\left(\sin \frac{7 \pi}{6}\right)$ का मान . . . . . . के बराबर है।

यदि $x + \frac{1}{x} = 2$ है,तो $\sin^{-1} x$ का मुख्य मान क्या है?

$\operatorname{sech}^{-1}\left(\frac{1}{\sqrt{2}}\right)+\operatorname{cosech}^{-1}(-1)=$

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