यदि सर्वसमिका $\cos^4 \theta = a \cos 4\theta + b \cos 2\theta + c$ कुछ $a, b, c \in \mathbb{Q}$ के लिए सत्य है,तो $(a, b, c) =$

  • A
    $\left(\frac{1}{8}, \frac{1}{2}, \frac{3}{8}\right)$
  • B
    $\left(\frac{1}{8}, \frac{1}{2}, \frac{3}{8}\right)$
  • C
    $\left(\frac{1}{2}, \frac{1}{8}, \frac{3}{8}\right)$
  • D
    $\left(\frac{1}{2}, \frac{3}{8}, \frac{1}{8}\right)$

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Similar Questions

यदि $\tan \theta + \tan \left(\theta + \frac{\pi}{3}\right) + \tan \left(\theta + \frac{2\pi}{3}\right) = 3$ है,तो निम्नलिखित में से कौन सा $1$ के बराबर है?

$\frac{1 + \sin A - \cos A}{1 + \sin A + \cos A} = $

यदि $\text{cosec} \theta = \frac{p + q}{p - q}$ है,तो $\cot \left( \frac{\pi}{4} + \frac{\theta}{2} \right) = $

यदि $\sin(\frac{\pi}{18}) \sin(\frac{5\pi}{18}) \sin(\frac{7\pi}{18}) = K$ है, तो $\sin(\frac{10K\pi}{3})$ का मान ज्ञात कीजिए:

यदि $A = 580^\circ$ है,तो निम्नलिखित में से कौन सा सत्य है?

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