$36(4 \cos^2 9^{\circ}-1)(4 \cos^2 27^{\circ}-1)(4 \cos^2 81^{\circ}-1)(4 \cos^2 243^{\circ}-1)$ ની કિંમત શોધો.

  • A
    $54$
  • B
    $18$
  • C
    $27$
  • D
    $36$

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આપેલ છે કે $\sin \beta = \frac{4}{5}$ અને $0 < \beta < \pi$. તો $\frac{\sqrt{3} \sin(\alpha + \beta) - \frac{2}{\cos(\pi/6)} \cos(\alpha + \beta)}{\sin \alpha}$ નું મૂલ્ય શું છે?

Difficult
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$(1 - \tan 348^{\circ})(1 + \cot 417^{\circ})$ ની કિંમત શોધો.

જો $(\sec \alpha + \tan \alpha )(\sec \beta + \tan \beta )(\sec \gamma + \tan \gamma ) = \tan \alpha \tan \beta \tan \gamma $ હોય,તો $(\sec \alpha - \tan \alpha )(\sec \beta - \tan \beta )(\sec \gamma - \tan \gamma ) = $

જો $\sin x + \sin^2 x = 1$ હોય,તો $\cos^8 x + 2\cos^6 x + \cos^4 x = $

$\text{cosec}10^{\circ} - \sqrt{3} \text{sec}10^{\circ}$ ની કિંમત શોધો:

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