જો $\cos(\theta - \alpha) = a$ અને $\sin(\theta - \beta) = b$ હોય, તો $\cos^2(\alpha - \beta) + 2ab \sin(\alpha - \beta) + \cos^2(\theta - \alpha)$ ની કિંમત શું થાય?

  • A
    $a^2 + b^2$
  • B
    $a^2 - b^2$
  • C
    $b^2 - a^2$
  • D
    $a^2 + 2b^2$

Explore More

Similar Questions

જો $\cos \theta + \sin \theta = \sqrt{2} \cos \theta$ અને $0 < \theta < \frac{\pi}{2}$ હોય,તો $\sec 2 \theta + \tan 2 \theta = $

$\sin \frac{\pi}{16} \sin \frac{3 \pi}{16} \sin \frac{5 \pi}{16} \sin \frac{7 \pi}{16}$ ની કિંમત શોધો.

જો $\cos x + \cos y + \cos \alpha = 0$ અને $\sin x + \sin y + \sin \alpha = 0$ હોય,તો $\cot \left( \frac{x + y}{2} \right) = $

જો $A = 130^\circ$ અને $x = \sin A + \cos A$ હોય,તો

$(1 - \tan 348^{\circ})(1 + \cot 417^{\circ})$ ની કિંમત શોધો.

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