यदि $\cot \alpha = \frac{1}{2}$ और $\sec \beta = -\frac{5}{3}$,जहाँ $\alpha \in \left(\pi, \frac{3\pi}{2}\right)$ और $\beta \in \left(\frac{\pi}{2}, \pi\right)$ है,तो $\tan(\alpha + \beta)$ का मान ज्ञात कीजिए।

  • A
    $\frac{3}{11}$
  • B
    $\frac{22}{9}$
  • C
    $\frac{9}{11}$
  • D
    $\frac{2}{11}$

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Similar Questions

यदि $\frac{\pi}{2} < \alpha < \pi$ और $\pi < \beta < \frac{3\pi}{2}$,जहाँ $\sin \alpha = \frac{15}{17}$ और $\tan \beta = \frac{12}{5}$ है,तो $\sin(\beta - \alpha)$ का मान ज्ञात कीजिए। ($/221$ में)

यदि $A = \frac{\pi}{24}$ है,तो $\frac{\cos A + \cos 3A + \cos 5A + \cos 7A}{\sin A + \sin 3A + \sin 5A + \sin 7A} = $

यदि $\tan \left( \frac{\pi }{4} + \theta \right) + \tan \left( \frac{\pi }{4} - \theta \right) = \lambda \sec 2\theta$ है,तो $\lambda$ =

$\frac{\tan 80^{\circ}-\tan 10^{\circ}}{\tan 70^{\circ}}$ का मान ज्ञात कीजिए।

यदि $\sin \theta = \frac{12}{13}$ जहाँ $0 < \theta < \frac{\pi}{2}$ और $\cos \phi = -\frac{3}{5}$ जहाँ $\pi < \phi < \frac{3\pi}{2}$ है,तो $\sin(\theta + \phi)$ का मान ज्ञात कीजिए।

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