यदि $\cos \theta = \frac{-3}{5}$ और $\pi < \theta < \frac{3\pi}{2}$ है,तो $\tan \frac{\theta}{2} + \sin \frac{\theta}{2} + 2 \cos \frac{\theta}{2} =$

  • A
    $-1$
  • B
    $1$
  • C
    $-2$
  • D
    $2$

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Similar Questions

$\cos \frac{\pi}{2^2} \cdot \cos \frac{\pi}{2^3} \cdot \dots \cdot \cos \frac{\pi}{2^{10}} \cdot \sin \frac{\pi}{2^{10}}$ का मान है

यदि $\tan x + \tan \left(x + \frac{\pi}{3}\right) + \tan \left(x + \frac{2\pi}{3}\right) = 3$ है,तो $\tan 3x$ का मान क्या होगा?

$(1+\sec 2\theta)(1+\sec 4\theta) = $

यदि $\frac{\cos ^2 48^{\circ}-\sin ^2 12^{\circ}}{\sin ^2 24^{\circ}-\sin ^2 6^{\circ}}=\frac{\alpha+\beta \sqrt{5}}{2}$, जहाँ $\alpha, \beta \in N$, तो $\alpha+\beta$ का मान . . . . . . है।

यदि $\tan A = \frac{1}{2}$ और $\tan B = \frac{1}{3}$ है,तो $\tan (A + 2B)$ का मान ज्ञात कीजिए।

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