જો $\sin^{2}(10^{\circ}) \sin(20^{\circ}) \sin(40^{\circ}) \sin(50^{\circ}) \sin(70^{\circ}) = \alpha - \frac{1}{16} \sin(10^{\circ})$ હોય,તો $16 + \alpha^{-1}$ ની કિંમત શોધો.

  • A
    $60$
  • B
    $70$
  • C
    $80$
  • D
    $90$

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Similar Questions

$\cos^2 \frac{\pi}{12} + \cos^2 \frac{\pi}{4} + \cos^2 \frac{5\pi}{12}$ નું મૂલ્ય શોધો.

જો $\operatorname{cosec} \theta = \frac{p+q}{p-q}$ હોય,તો $\cot \left(\frac{\pi}{4} + \frac{\theta}{2}\right)$ ની કિંમત શોધો.

ધારો કે $n$ એક ધન પૂર્ણાંક છે જેથી $\sin \frac{\pi }{2^n} + \cos \frac{\pi }{2^n} = \frac{\sqrt{n}}{2}$ થાય. તો

સરવાળો $S = \sin \theta + \sin 2\theta + \dots + \sin n\theta$ બરાબર શું થાય?

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જો $3 \sin \theta + 4 \cos \theta = 3$ અને $\theta \neq (2n + 1) \frac{\pi}{2}$ હોય,તો $\sin 2 \theta = $

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