જો $\cos(\alpha + \beta) = \frac{3}{5}$,$\sin(\alpha - \beta) = \frac{5}{13}$ અને $0 < \alpha, \beta < \frac{\pi}{4}$ હોય,તો $\tan(2\alpha)$ ની કિંમત શોધો.

  • A
    $\frac{63}{52}$
  • B
    $\frac{33}{52}$
  • C
    $\frac{63}{16}$
  • D
    $\frac{21}{16}$

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Similar Questions

$\tan \left( \frac{\pi }{4} + \theta \right) - \tan \left( \frac{\pi }{4} - \theta \right) = $

જો $\cos \theta = \frac{3}{5}$ અને $\cos \phi = \frac{4}{5}$ હોય,જ્યાં $\theta$ અને $\phi$ ધન લઘુકોણ છે,તો $\cos \frac{\theta - \phi}{2} = $

જો $\sin \alpha = \frac{8}{17}, 0 < \alpha < 90^{\circ}$ અને $\tan \beta = \frac{5}{12}, 0 < \beta < 90^{\circ}$ હોય,તો $\cos (\alpha - \beta)$ ની કિંમત શોધો.

જો $x$ ની તમામ વાસ્તવિક કિંમતો માટે,$\frac{4x^2 + 1}{64x^2 - 96x \sin \alpha + 5} < \frac{1}{32}$ હોય,તો $\alpha$ કયા અંતરાલમાં આવે છે?

$\cos 41^{\circ} \cdot \cos 42^{\circ} \cdot \cos 43^{\circ} \cdot \cos 44^{\circ} \cdot \cos 45^{\circ} \cdot \cos 46^{\circ} \cdot \cos 47^{\circ} \cdot \cos 48^{\circ} \cdot \cos 49^{\circ}$ ની કિંમત શોધો.

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