यदि $y = \sin^{2} (\cot^{-1} \sqrt{\frac{1 + x}{1 - x}})$,तो $\frac{dy}{dx} = $

  • A
    $\frac{- 1}{2}$
  • B
    $\frac{1}{1 + x}$
  • C
    $\frac{1}{1 - x}$
  • D
    $1$

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Similar Questions

यदि $\alpha = 3 \sin^{-1}\left(\frac{6}{11}\right)$ और $\beta = 3 \cos^{-1}\left(\frac{4}{9}\right)$ है,जहाँ प्रतिलोम त्रिकोणमितीय फलन केवल मुख्य मान लेते हैं,तो सही विकल्प है/हैं:
$(A) \cos \beta > 0$
$(B) \sin \beta < 0$
$(C) \cos(\alpha + \beta) > 0$
$(D) \cos \alpha < 0$

$\cot \left\{\frac{2019 \pi}{2}-\left(\operatorname{cosec}^{-1} \frac{5}{3}+\tan ^{-1} \frac{2}{3}\right)\right\}$ का मान ज्ञात कीजिए।

$\cot ^{-1}\left(2 \cdot 1^{2}\right)+\cot ^{-1}\left(2 \cdot 2^{2}\right)+\cot ^{-1}\left(2 \cdot 3^{2}\right)+\ldots$ अनंत तक का मान ज्ञात कीजिए।

$\cot^{-1}(1) + \cot^{-1} (\frac{1}{2}) + \cot^{-1}(\frac{1}{3}) =$

$\sin \left(\tan ^{-1} \frac{4}{5}+\tan ^{-1} \frac{4}{3}+\tan ^{-1} \frac{1}{9}-\tan ^{-1} \frac{1}{7}\right) = $

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