$\sqrt{2+\sqrt{2+\sqrt{2+2 \cos 8 \theta}}} = $

  • A
    $\sin 2 \theta$
  • B
    $2 \cos \theta$
  • C
    $2 \sin \theta$
  • D
    $2 \cos \frac{\theta}{2}$

Explore More

Similar Questions

જો $90^\circ < A < 180^\circ$ અને $\sin A = \frac{4}{5}$ હોય,તો $\tan \frac{A}{2}$ ની કિંમત શોધો.

$2\sin A\cos^3 A - 2\sin^3 A\cos A = $

જો $\sin \theta = \frac{3}{5}$ અને $\theta$ પ્રથમ ચરણમાં નથી,તો $15 \sin 2 \theta - 20 \cos 2 \theta - 7 \tan 2 \theta = $

જો $\sinh x = \frac{5}{12}$ હોય,તો $\cosh \frac{x}{2} =$

જો $\tan \frac{\theta}{2} = \operatorname{cosec} \theta - \sin \theta$ હોય,તો $\tan^2 \frac{\theta}{2} =$

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