$\tan \frac{1}{2} \left[ \sin^{-1} \frac{2x}{1+x^2} + \cos^{-1} \frac{1-y^2}{1+y^2} \right]$ का मान ज्ञात कीजिए,जहाँ $|x| < 1, y>0$ और $xy < 1$ है।

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

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Similar Questions

$\tan ^{-1} \sqrt{3} - \cot ^{-1}(-\sqrt{3}) = $ . . . . . . .

$x$ के लिए हल करें: $\tan^{-1}\left(\frac{1-x}{1+x}\right) = \frac{1}{2} \tan^{-1} x$,जहाँ $x > 0$.

$2{\tan ^{ - 1}}\frac{1}{3} + {\tan ^{ - 1}}\frac{1}{2} = $

यदि $y = \tan^{-1}\sqrt{\frac{1 + \cos x}{1 - \cos x}}$ है,तो $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

यदि $\frac{a}{b} \tan x > -1$ है,तो $\tan ^{-1}\left[\frac{a \cos x-b \sin x}{b \cos x+a \sin x}\right]$ को सरल कीजिए।

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