જો $\cos(\theta_1) + \cos(\theta_2) + \cos(\theta_3) + \cos(\theta_4) = -4$ હોય,તો $\cot(\frac{\theta_1}{2}) + \cot(\frac{\theta_2}{2}) + \cot(\frac{\theta_3}{2}) + \cot(\frac{\theta_4}{2})$ ની કિંમત શોધો.

  • A
    $4$
  • B
    $1$
  • C
    $2$
  • D
    $0$

Explore More

Similar Questions

જો $(1+\tan 1^{\circ})(1+\tan 2^{\circ}) \ldots (1+\tan 45^{\circ})=2^n$ હોય,તો $n=$

પદાવલિનું મૂલ્ય શોધો: $\left(1+\cos \frac{\pi}{8}\right)\left(1+\cos \frac{2 \pi}{8}\right)\left(1+\cos \frac{3 \pi}{8}\right)\left(1+\cos \frac{4 \pi}{8}\right)\left(1+\cos \frac{5 \pi}{8}\right)\left(1+\cos \frac{6 \pi}{8}\right)\left(1+\cos \frac{7 \pi}{8}\right)$

જો $\sin x + \sin y = \alpha$ અને $\cos x + \cos y = \beta$ હોય,તો $\operatorname{cosec}(x + y) = $

જો $\frac{2 \sin \alpha}{1+\cos \alpha+\sin \alpha}=x$ હોય,તો $\frac{1-\cos \alpha-\sin \alpha}{\cos \alpha}=$

પદાવલિ $\frac{\tan^2 20^\circ - \sin^2 20^\circ}{\tan^2 20^\circ \cdot \sin^2 20^\circ}$ નું સાદું રૂપ શું થાય?

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