यदि $\tan \left(\frac{\pi}{4}+\alpha\right)=\tan ^3\left(\frac{\pi}{4}+\beta\right)$ है,तो $\tan (\alpha+\beta) \cot (\alpha-\beta)=$

  • A
    $\sec ^2 2 \beta+\tan ^2 2 \beta$
  • B
    $\operatorname{cosec}^2 2 \beta+\cot ^2 2 \beta$
  • C
    $2\left(\sec ^2 2 \beta+\tan ^2 2 \beta\right)$
  • D
    $4\left(\sec ^2 2 \beta+\tan ^2 2 \beta\right)$

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Similar Questions

मान लीजिए $S = \left\{ \theta \in \left( 0, \frac{\pi}{2} \right) : \sum_{m=1}^{9} \sec \left( \theta + (m-1) \frac{\pi}{6} \right) \sec \left( \theta + \frac{m \pi}{6} \right) = -\frac{8}{\sqrt{3}} \right\}$. तो:

$16 \sin 12^{\circ} \cos 18^{\circ} \sin 48^{\circ} = $

$\sqrt{3} \csc 20^{\circ} - \sec 20^{\circ} = $

$\cos \frac{2 \pi}{15} \cos \frac{4 \pi}{15} \cos \frac{8 \pi}{15} \cos \frac{14 \pi}{15}$ का मान क्या है?

यदि $\cos(\theta - \alpha) = a$ और $\sin(\theta - \beta) = b$ है,तो $\cos^2(\alpha - \beta) + 2ab\sin(\alpha - \beta)$ का मान क्या होगा?

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