જો $\alpha+\beta=\gamma$ હોય,તો $\cos^2 \alpha+\cos^2 \beta+\cos^2 \gamma$ ની કિંમત શું થાય?

  • A
    $1+2 \cos^3 \alpha \cos^3 \beta \cos^3 \gamma$
  • B
    $1+2 \cos^2 \alpha \cos^2 \beta \cos^2 \gamma$
  • C
    $1+2 \cos \alpha \cos \beta \cos \gamma$
  • D
    $1+4 \cos \alpha \cos \beta \cos \gamma$

Explore More

Similar Questions

$\cos 12^\circ + \cos 84^\circ + \cos 156^\circ + \cos 132^\circ$ નું મૂલ્ય શોધો.

$\frac{\tan 70^o - \tan 20^o}{\tan 50^o}$ ની કિંમત શોધો.

સાબિત કરો કે $\cos \left(\frac{\pi}{4}-x\right) \cos \left(\frac{\pi}{4}-y\right)-\sin \left(\frac{\pi}{4}-x\right) \sin \left(\frac{\pi}{4}-y\right)=\sin (x+y)$

$\cos 15^{\circ} - \sin 15^{\circ}$ નું મૂલ્ય શું છે?

સાબિત કરો કે $\sin^{2} 6x - \sin^{2} 4x = \sin 2x \sin 10x$.

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