$4 \cos^3 20^{\circ}$ નું મૂલ્ય શું છે?

  • A
    $-\frac{1}{2} - \cos 20^{\circ}$
  • B
    $-\frac{1}{2} + 3 \cos 20^{\circ}$
  • C
    $\frac{1}{2} + 3 \cos 20^{\circ}$
  • D
    $\frac{1}{2} - 3 \cos 20^{\circ}$

Explore More

Similar Questions

જો $3 \sin 2 \theta = 2 \sin 3 \theta$ અને $0 < \theta < \pi$ હોય,તો $\sin \theta$ ની કિંમત કેટલી થાય?

જો $\tan \alpha = \frac{1}{7}$ અને $\sin \beta = \frac{1}{\sqrt{10}}$ જ્યાં $0 < \alpha, \beta < \frac{\pi}{2}$ હોય,તો $2\beta$ ની કિંમત શોધો.

$\sin 4\theta$ ને કેવી રીતે લખી શકાય?

$\frac{1-\cos 2 \theta+\sin 2 \theta}{1+\cos 2 \theta+\sin 2 \theta}=$

$(\sec 2A + 1)\sec^2 A = $

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