ધારો કે $a \neq 0$ માટે $S_a(x) = \operatorname{Sec}^{-1}\left(\frac{x}{a}\right) + \operatorname{Sec}^{-1}(a)$ છે. જો $a \neq b$ માટે $S_a(x) = S_b(x)$ હોય,તો $x =$

  • A
    $1$
  • B
    $\pm ab$
  • C
    $ab$
  • D
    $-ab$

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જો $\sin ^{-1} x - \cos ^{-1} x = \frac{\pi}{6}$ હોય, તો $x$ ની કિંમત શોધો.

જો $\alpha = \cos^{-1}\left(\frac{3}{5}\right)$ અને $\beta = \tan^{-1}\left(\frac{1}{3}\right)$,જ્યાં $0 < \alpha, \beta < \frac{\pi}{2}$,તો $\alpha - \beta$ ની કિંમત શોધો.

$k$ ના તમામ મૂલ્યોનો ગણ જેના માટે $(\tan^{-1} x)^3 + (\cot^{-1} x)^3 = k \pi^3$,$x \in \mathbb{R}$,એ અંતરાલ છે

$\cos ^{-1}\left[\frac{1}{\sqrt{2}}\left(\cos \frac{9 \pi}{10}-\sin \frac{9 \pi}{10}\right)\right]$ નું મુખ્ય મૂલ્ય શોધો.

$\tan ^{-1}(\cot x)+\cot ^{-1}(\tan x) =$ . . . . . .

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