જો $\cos \alpha = \operatorname{sech} \beta$ હોય,તો $\beta =$

  • A
    $\log (\sec \alpha + \tan \alpha)$
  • B
    $\log (\sec \alpha - \tan \alpha)$
  • C
    $\log (\sin \alpha + \cos \alpha)$
  • D
    $\log (\cos \alpha + \cot \alpha)$

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Similar Questions

$\theta$ અને $\alpha$ એ $Q_3$ માં છે. જો $\cos (\theta-\alpha), \cos \theta, \cos (\theta+\alpha)$ હાર્મોનિક શ્રેણીમાં હોય,તો $\cos \theta \sec \frac{\alpha}{2} = $

જો અમુક $x \in (\pi, \frac{3\pi}{2})$ માટે $\cot x = \frac{5}{12}$ હોય, તો $\sin 7x(\cos \frac{13x}{2} + \sin \frac{13x}{2}) + \cos 7x(\cos \frac{13x}{2} - \sin \frac{13x}{2})$ ની કિંમત શોધો.

જો $\sin A + \cos A = \sqrt{2}$ હોય,તો $\cos^2 A = $

કિંમત શોધો: $\sqrt{3} \operatorname{cosec} 20^{\circ} - \sec 20^{\circ}$

$\sqrt{3} \csc 20^{\circ} - \sec 20^{\circ} = $

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