यदि $\frac{1}{2}\left(\tan \left(\frac{\pi}{24}\right)+\cot \left(\frac{\pi}{24}\right)\right)=\sqrt{a^2+a}+\sqrt{a}$ है,तो $a=$

  • A
    $3$
  • B
    $2$
  • C
    $1$
  • D
    $4$

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यदि $\theta$ एक न्यून कोण है और $\sin \frac{\theta}{2} = \sqrt{\frac{x - 1}{2x}}$ है,तो $\tan \theta$ का मान ज्ञात कीजिए।

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यदि $\tan \alpha = \frac{1}{7}$ और $\sin \beta = \frac{1}{\sqrt{10}}$ जहाँ $0 < \alpha, \beta < \frac{\pi}{2}$ है,तो $2\beta$ का मान ज्ञात कीजिए।

यदि $\sec \theta = 1\frac{1}{4}$ है,तो $\tan \frac{\theta}{2} = $

$3 \tan^6 10^{\circ} - 27 \tan^4 10^{\circ} + 33 \tan^2 10^{\circ} = $

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