જો $\sin x + \sin y = p$ અને $\cos x + \cos y = q$ હોય,તો $\sec(x + y) = $

  • A
    $\frac{2pq}{p^2 + q^2}$
  • B
    $\frac{p^2 + q^2}{q^2 - p^2}$
  • C
    $\frac{2pq}{\sqrt{p^2 + q^2}}$
  • D
    $\frac{p + q}{p^2 + q^2}$

Explore More

Similar Questions

$\cos^3 110^{\circ} + \cos^3 10^{\circ} + \cos^3 130^{\circ} = $

પદાવલિ $\tan 9^{\circ}-\tan 27^{\circ}-\tan 63^{\circ}+\tan 81^{\circ}$ ની કિંમત શોધો.

સમીકરણ $|\sin x \cos x| + \sqrt{2 + \tan^2 x + \cot^2 x} = \sqrt{3}$ નું સમાધાન કરતો ચલ $x$ કયા અંતરાલમાં છે?

$\sqrt{3} \csc 20^{\circ} - \sec 20^{\circ} = $

જો $\cos 2B = \frac{\cos(A+C)}{\cos(A-C)}$ હોય,તો $\tan A, \tan B, \tan C$ એ

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