જો $\cot^{-1}[(\cos \alpha)^{1/2}] - \tan^{-1}[(\cos \alpha)^{1/2}] = x$ હોય,તો $\sin x = $

  • A
    $\tan^2(\frac{\alpha}{2})$
  • B
    $\cot^2(\frac{\alpha}{2})$
  • C
    $\tan \alpha$
  • D
    $\cot(\frac{\alpha}{2})$

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જો $2 \operatorname{Tanh}^{-1} x = \operatorname{Sinh}^{-1}\left(\frac{4}{3}\right)$ હોય, તો $\operatorname{Cosh}^{-1}\left(\frac{1}{x}\right) = $

$x$ ના મૂલ્યોનો ગણ શોધો જેથી $\tan ^{-1}\left(\frac{x}{x-2}\right)-\tan ^{-1}\left(\frac{x}{2 x-1}\right)=\tan ^{-1}\left(\frac{2}{3}\right)$ થાય.

$(\tan ^{-1} x)^2+(\cot ^{-1} x)^2=\frac{5 \pi^2}{8} \Rightarrow x=$

જો $y = \sin^{-1}x + \sin^{-1}\sqrt{1-x^2}$,જ્યાં $-1 \le x \le 1$ હોય,તો $\frac{dy}{dx}$ શોધો.

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$x \in [-1, 1]$ માટે $(\sin^{-1} x)^2 + (\cos^{-1} x)^2$ ની ન્યૂનતમ કિંમત છે:

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