यदि $\cos A = \frac{3}{4}$ है,तो $32 \sin \left(\frac{A}{2}\right) \sin \left(\frac{5A}{2}\right) = $

  • A
    $7$
  • B
    $8$
  • C
    $13$
  • D
    $11$

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Similar Questions

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

$\frac{\sec 8\theta - 1}{\sec 4\theta - 1}$ किसके बराबर है?

$\sqrt{2+\sqrt{2+2 \cos 4 \theta}} = $

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

$\sin 4\theta$ को किस प्रकार लिखा जा सकता है?

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