$\cos \frac{2\pi}{15} \cos \frac{4\pi}{15} \cos \frac{8\pi}{15} \cos \frac{16\pi}{15} = $

  • A
    $1/2$
  • B
    $1/4$
  • C
    $1/8$
  • D
    $1/16$

Explore More

Similar Questions

જો $\sin \theta + \sin \phi = a$ અને $\cos \theta + \cos \phi = b$ હોય,તો $\tan \frac{\theta - \phi}{2}$ ની કિંમત શોધો.

પદાવલિ $\tan 9^{\circ}-\tan 27^{\circ}-\tan 63^{\circ}+\tan 81^{\circ}$ ની કિંમત શોધો.

$\operatorname{sech}^{-1}(\sin \theta)$ કોના બરાબર છે?

જો $\cos x + \sec x = -2$ હોય,તો ધન પૂર્ણાંક $n$ માટે,$\cos^n x + \sec^n x$ શું થશે?

જો $\operatorname{Sinh}^{-1} x = \log 3$ અને $\operatorname{Cosh}^{-1} y = \log \frac{3}{2}$ હોય,તો $\operatorname{Tanh}^{-1}(x-y) = $

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo