यदि $\tan \alpha = \frac{-12}{5}$,$\cot \beta = \frac{7}{24}$,$\alpha$ दूसरे चतुर्थांश में नहीं है और $\beta$ पहले चतुर्थांश में नहीं है,तो $\sqrt{13} \sin \frac{\alpha}{2} + \cos \frac{\beta}{2} + \tan \frac{\alpha}{2} \cot \frac{\beta}{2} = $

  • A
    $\frac{31}{10}$
  • B
    $\frac{19}{10}$
  • C
    $\frac{21}{10}$
  • D
    $\frac{-9}{10}$

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Similar Questions

$\cot \frac{\pi}{24}$ का मान क्या है?

यदि $540^{\circ} < \theta < 630^{\circ}$ और $\tan \theta = \frac{5}{12}$ है,तो $\frac{\cos \frac{\theta}{2} - 5 \sin \frac{\theta}{2}}{\sqrt{-(12 \sec \theta + 5 \operatorname{cosec} \theta)}} = $

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

यदि $\sec x = \frac{25}{24}$ और $x$ प्रथम चतुर्थांश में स्थित है,तो $\sin \frac{x}{2} + \cos \frac{x}{2} =$

सिद्ध कीजिए कि $\cos^{2} 2x - \cos^{2} 6x = \sin 4x \sin 8x$.

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