જો $\sinh ^{-1}(\sqrt{8})+\sinh ^{-1}(\sqrt{24})=\alpha$ હોય,તો $\sinh \alpha=$

  • A
    $6 \sqrt{6}-10 \sqrt{2}$
  • B
    $6 \sqrt{6}+10 \sqrt{2}$
  • C
    $16 \sqrt{6}$
  • D
    $16 \sqrt{6}+4 \sqrt{2}$

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જો $\theta$ એ અંતરાલ $\left(0, \frac{\pi}{2}\right)$ માં હોય અને સમીકરણ $\cos 2 \theta \cdot \sec ^4 \theta + \sec ^2 \theta = 0$ નું સમાધાન કરતું હોય,તો $\sin ^2 \theta =$

$\tan 20^{\circ} \tan 80^{\circ} \cot 50^{\circ}$ નું મૂલ્ય શોધો.

જો $\sin(\theta) + \operatorname{cosec}(\theta) = 2$ હોય,તો $\sin^{2020}(\theta) + \operatorname{cosec}^{2020}(\theta) = \dots$

આપેલ છે કે $\pi < \alpha < \frac{3\pi}{2}$,તો પદાવલિ $\sqrt{4\sin^4 \alpha + \sin^2 2\alpha} + 4\cos^2 \left(\frac{\pi}{4} - \frac{\alpha}{2}\right)$ ની કિંમત શોધો.

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જો $\cos \alpha + \cos \beta = a$,$\sin \alpha + \sin \beta = b$ અને $\alpha - \beta = 2 \theta$ હોય,તો $\frac{\cos 3 \theta}{\cos \theta} = $

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