यदि $\tan 3^{\circ} + 2\tan 6^{\circ} + 4\tan 12^{\circ} + 8\cot 24^{\circ} = \cot \theta^{\circ}$ है,तो:

  • A
    $\cot (10\theta)^{\circ} = 1$
  • B
    $\cot (15\theta)^{\circ} = 1$
  • C
    $\cot \theta^{\circ} = 0$
  • D
    $\cot (15\theta)^{\circ} = \sqrt{3}$

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यदि $\alpha, \beta, \gamma$ धनात्मक संख्याएँ इस प्रकार हैं कि $\alpha + \beta = \pi$ और $\beta + \gamma = \alpha$,तो $\tan \alpha$ का मान ज्ञात कीजिए - (जहाँ $\gamma \neq n\pi, n \in I$)

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यदि $x \sin 45^\circ \cos^2 60^\circ = \frac{\tan^2 60^\circ \csc 30^\circ}{\sec 45^\circ \cot^2 30^\circ}$ है,तो $x = $

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