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

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

$\frac{\sin \theta + \sin 3 \theta}{\cos \theta + \cos 3 \theta}$ का मान क्या है?

यदि $\tan 80^{\circ} = \alpha$ और $\tan 47^{\circ} = \beta$ है,तो $\tan 37^{\circ}$ का मान क्या होगा?

यदि $2 \sin \left(\theta+\frac{\pi}{3}\right)=\cos \left(\theta-\frac{\pi}{6}\right)$ है,तो $\tan \theta=$

यदि $\frac{x}{\cos \alpha} = \frac{y}{\cos \left(\frac{2 \pi}{3} - \alpha\right)} = \frac{z}{\cos \left(\frac{2 \pi}{3} + \alpha\right)}$ है,तो $(x + y + z)$ का मान किसके बराबर है?

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