$\theta \in \left(0, \frac{\pi}{2}\right)$ માટે, $\operatorname{sech}^{-1}(\cos \theta)$ ની કિંમત શોધો.

  • A
    $\log \left|\tan \left(\frac{\pi}{6}+\frac{\theta}{2}\right)\right|$
  • B
    $\log \left|\tan \left(\frac{\pi}{3}+\frac{\theta}{2}\right)\right|$
  • C
    $\log \left|\tan \left(\frac{\pi}{4}+\frac{\theta}{2}\right)\right|$
  • D
    $\log \left|\tan \left(\frac{\pi}{4}-\frac{\theta}{2}\right)\right|$

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$\tan ^{-1} 2 + \tan ^{-1} 3$ નું મૂલ્ય શું છે?

જો $\sin \left( \sin^{-1} \frac{1}{5} + \cos^{-1} x \right) = 1$ હોય,તો $x$ ની કિંમત શોધો.

$\cos \left[ 2\cos^{-1}\frac{1}{5} + \sin^{-1}\frac{1}{5} \right] = $

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

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