જો $\cos \alpha = \frac{2 \cos \beta - 1}{2 - \cos \beta}$ હોય,તો $\tan \frac{\alpha}{2} \cot \frac{\beta}{2}$ ની કિંમત શોધો,જ્યાં $(0 < \alpha < \pi$ અને $0 < \beta < \pi)$.

  • A
    $\sqrt{3}$
  • B
    $\sqrt{2}$
  • C
    $3$
  • D
    $2$

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જો $\frac{1}{\sin 45^{\circ} \sin 46^{\circ}}+\frac{1}{\sin 46^{\circ} \sin 47^{\circ}}+\ldots$ $45$ પદો સુધી $=\frac{1}{\sin x^{\circ}}$ હોય,તો $\sin \left(\frac{\pi}{2} x\right)=$

જો $\cot \theta + \tan \theta = 3$ અને $1 - \cos^2 \theta - \alpha \cos \theta = 0$ હોય,તો

$\sin 10^\circ + \sin 20^\circ + \sin 30^\circ + \dots + \sin 360^\circ$ નું મૂલ્ય શું છે?

જો $\cosh \beta = \sec \alpha \cos \theta$ અને $\sinh \beta = \operatorname{cosec} \alpha \sin \theta$ હોય,તો $\sinh^2 \beta =$

જો $\tan \beta = \cos \theta \tan \alpha$ હોય,તો ${\tan ^2}\frac{\theta }{2} = $

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