જો $15 \sin^{4} \alpha + 10 \cos^{4} \alpha = 6$ કોઈ $\alpha \in R$ માટે હોય,તો $27 \sec^{6} \alpha + 8 \operatorname{cosec}^{6} \alpha$ ની કિંમત ....... થશે.

  • A
    $350$
  • B
    $500$
  • C
    $400$
  • D
    $250$

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Similar Questions

$\cos \frac{\pi}{7} \cos \frac{2\pi}{7} \cos \frac{3\pi}{7}$ નું મૂલ્ય શું છે?

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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] = $

$\tan \frac{2 \pi}{7} \cdot \tan \frac{4 \pi}{7} + \tan \frac{4 \pi}{7} \cdot \tan \frac{\pi}{7} + \tan \frac{\pi}{7} \cdot \tan \frac{2 \pi}{7} = $

જો $A$ ત્રીજા ચરણમાં હોય અને $\tan A = \frac{\sqrt{7}}{3}$ હોય,તો $18 - 16 \sin^2 \frac{A}{2} - 32 \sin \frac{A}{2} \sin \frac{5A}{2} = $

સમીકરણ $\frac{1}{\sin(\frac{\pi}{n})} = \frac{1}{\sin(\frac{2\pi}{n})} + \frac{1}{\sin(\frac{3\pi}{n})}$ નું સમાધાન કરતું $n > 3$ નું ધન પૂર્ણાંક મૂલ્ય શોધો.

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