જો $y = \tan^{-1} \left[ \frac{x - \sqrt{1 - x^2}}{x + \sqrt{1 - x^2}} \right]$ હોય, તો $\frac{dy}{dx} =$

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

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જો $y = \cos^{-1}(\cos(|x| - f(x)))$,જ્યાં $f(x) = \begin{cases} 1, & \text{જો } x > 0 \\ -1, & \text{જો } x < 0 \\ 0, & \text{જો } x = 0 \end{cases}$,હોય તો $\left. \frac{dy}{dx} \right|_{x = \frac{5\pi}{4}}$ ની કિંમત શોધો.

જો $\theta \in \left[-\frac{\pi}{2}, \frac{\pi}{2}\right]$ હોય,તો $\cos^{-1}(\sin \theta)$ બરાબર શું થાય?

કિંમત શોધો: $\tan ^{-1} \left( \frac{x}{\sqrt{a^2 - x^2}} \right)$

$\sin^{-1} (\sin \frac{3\pi}{5}) = \dots \dots \dots$

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