मान ज्ञात कीजिए: $\cos^2 48^\circ - \sin^2 12^\circ$

  • A
    $\frac{\sqrt{5} - 1}{4}$
  • B
    $\frac{\sqrt{5} + 1}{8}$
  • C
    $\frac{\sqrt{3} - 1}{4}$
  • D
    $\frac{\sqrt{3} + 1}{2\sqrt{2}}$

Explore More

Similar Questions

$\sin \frac{5 \pi}{12} \sin \frac{\pi}{12}$ का मान है

यदि $A+B=\frac{\pi}{4}$,तो $\frac{\cos B-\sin B}{\cos B+\sin B}=$

यदि $0 < A < B < \frac{\pi}{4}$,$\cos (A+B) = \frac{11}{61}$ और $\sin (A-B) = \frac{24}{25}$ है,तो $\sin 2A + \sin 2B = $

$2 \cosh (x+y) \sinh (x-y) + \sinh 2y =$

$\tan \frac{13 \pi}{12}$ का मान ज्ञात कीजिए।

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