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

  • A
    $\frac{6}{5 \sqrt{2}}$
  • B
    $\frac{8}{5 \sqrt{2}}$
  • C
    $\frac{7}{5 \sqrt{2}}$
  • D
    $\frac{1}{5 \sqrt{2}}$

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Similar Questions

यदि $L = \sin^{2}\left(\frac{\pi}{16}\right) - \sin^{2}\left(\frac{\pi}{8}\right)$ और $M = \cos^{2}\left(\frac{\pi}{16}\right) - \sin^{2}\left(\frac{\pi}{8}\right)$ है,तो निम्नलिखित में से कौन सा सही है?

यदि $\theta = \frac{\pi}{9}$ है,तो $1 + 27 \tan^2 \theta - 33 \tan^4 \theta + \tan^6 \theta = $

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} = $

यदि $\cos A = \frac{\sqrt{3}}{2}$ है,तो $\tan 3A = $

$\frac{1-\cos 2 \theta+\sin 2 \theta}{1+\cos 2 \theta+\sin 2 \theta}=$

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