$x$ ની કઈ કિંમત માટે $\sin \left(\cot ^{-1}(x)\right)=\cos \left(\tan ^{-1}(1+x)\right)$ થાય?

  • A
    $0$
  • B
    $1$
  • C
    $-\frac{1}{2}$
  • D
    $\frac{1}{2}$

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વિકલન શોધો: $\frac{d}{dx} \cos^{-1} \left( \frac{x - x^{-1}}{x + x^{-1}} \right)$

સમીકરણ $2\cos^{-1}x + \sin^{-1}x = \frac{11\pi}{6}$ ને

$\lim _{x \rightarrow 0^{+}} \frac{x \sin ^{-1}\left(\frac{2 x}{1+x^2}\right)}{\cos ^{-1}\left(\frac{1-x^2}{1+x^2}\right) \tan ^{-1}\left(\frac{3 x-x^3}{1-3 x^2}\right)}$ ની કિંમત શોધો.

સાબિત કરો કે $\sin^{-1}(2x\sqrt{1-x^2}) = 2\sin^{-1}x$,જ્યાં $-\frac{1}{\sqrt{2}} \leq x \leq \frac{1}{\sqrt{2}}$.

${\tan ^{ - 1}}\left( \frac{{2x}}{{1 - {x^2}}} \right)$ નું ${\sin ^{ - 1}}\left( \frac{{2x}}{{1 + {x^2}}} \right)$ ની સાપેક્ષ વિકલન સહગુણક શોધો.

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