यदि $(\tan^{-1} x)^2 + (\cot^{-1} x)^2 = \frac{5\pi^2}{8}$ है, तो $x$ का मान किसके बराबर है...

  • A
    -$1$
  • B
    -$2$
  • C
    $1$
  • D
    $2$

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Similar Questions

यदि $y = \cot^{-1} \left( \frac{1 + x}{1 - x} \right)$ है,तो $\frac{dy}{dx} = $

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$\tan \left\{\frac{1}{2} \cos ^{-1} \frac{\sqrt{5}}{3}\right\}$ का मान है

$\cos \left(\cos ^{-1}\left(-\frac{1}{4}\right)+\sin ^{-1}\left(-\frac{1}{4}\right)\right) = $ . . . . . . .

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