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यदि $\cos 3\theta = \alpha \cos \theta + \beta \cos^3 \theta$ है,तो $(\alpha, \beta) = $

यदि $A = 133^\circ$ है,तो $2\cos \frac{A}{2}$ किसके बराबर है?

यदि $p = \tan 20^{\circ}$ है,तो $\frac{\tan 160^{\circ} - \tan 110^{\circ}}{1 + \tan 160^{\circ} \tan 110^{\circ}}$ का मान $p$ के पदों में क्या होगा?

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

$\frac{\sin 5 \theta}{\sin \theta}$ किसके बराबर है?

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