$\sec ^2(\tan ^{-1} 3) + \operatorname{cosec}^2(\cot ^{-1} 3) = $ . . . . . . .

  • A
    $15$
  • B
    $13$
  • C
    $20$
  • D
    $25$

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$x$ ની કિંમત શોધો, જ્યાં $x>0$ અને $\tan \left(\sec ^{-1}\left(\frac{1}{x}\right)\right)=\sin \left(\tan ^{-1} 2\right)$ છે.

$\sin ^{-1}(\sin 100) + \cos ^{-1}(\cos 100) + \tan ^{-1}(\tan 100) + \cot ^{-1}(\cot 100)$ ની કિંમત શું થાય?

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જો $\tan^{-1} (x^2 + 3|x|-4) = \tan^{-1} (4\pi + \sin^{-1}(\sin 14))$ હોય,તો $\cos^{-1}(\cos 3|x|)$ ની કિંમત શોધો.

$x \in (-1, 1]$ માટે,સમીકરણ $\sin^{-1} x = 2 \tan^{-1} x$ ના ઉકેલોની સંખ્યા કેટલી છે?

$\tan \left(\cos ^{-1} \frac{1}{\sqrt{2}}+\tan ^{-1} \frac{1}{2}\right) = $

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