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

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

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$3\left[ \sin^4\left( \frac{3\pi}{2} - \alpha \right) + \sin^4(3\pi + \alpha) \right] - 2\left[ \sin^6\left( \frac{\pi}{2} + \alpha \right) + \sin^6(5\pi - \alpha) \right] = $

मान लीजिए $A = \{\theta \in R : (\frac{1}{3} \sin \theta + \frac{2}{3} \cos \theta)^2 = \frac{1}{3} \sin^2 \theta + \frac{2}{3} \cos^2 \theta\}$. तो:

यदि $\tan \theta \cdot \tan \left(120^{\circ}-\theta\right) \tan \left(120^{\circ}+\theta\right)=\frac{1}{\sqrt{3}}$ है,तो $\theta$ का मान ज्ञात कीजिए।

यदि $\sin \theta + \cos \theta = 1$ है,तो $\sin \theta \cos \theta = $

समीकरण $|\sin x \cos x| + \sqrt{2 + \tan^2 x + \cot^2 x} = \sqrt{3}$ को संतुष्ट करने वाला चर $x$ किस अंतराल में है?

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