કિંમત શોધો: $\cos^2 \left( \frac{\pi}{4} - \beta \right) - \sin^2 \left( \alpha - \frac{\pi}{4} \right)$

  • A
    $\sin(\alpha + \beta)\sin(\alpha - \beta)$
  • B
    $\cos(\alpha + \beta)\cos(\alpha - \beta)$
  • C
    $\sin(\alpha - \beta)\cos(\alpha + \beta)$
  • D
    $\sin(\alpha + \beta)\cos(\alpha - \beta)$

Explore More

Similar Questions

જો $\theta \in \left[-\frac{\pi}{2}, \frac{\pi}{2}\right]$ માટે $2 \cos \theta + \sin \theta = 1$ અને $7 \cos \theta + 6 \sin \theta = k$ હોય,તો $k$ ની શક્ય કિંમતો કઈ છે?

જો $\sinh x = -\frac{1}{2}$ હોય,તો $\tanh 2x = $

$sin 5^{\circ} + sin 10^{\circ} + sin 15^{\circ} + \dots + sin 350^{\circ} + sin 355^{\circ}$ ની કિંમત શોધો.

Difficult
View Solution

$\theta$ નું સૌથી નાનું ધન મૂલ્ય (અંશમાં) જેના માટે $\tan(\theta+100^{\circ})=\tan(\theta+50^{\circ}) \tan(\theta) \tan(\theta-50^{\circ})$ માન્ય છે,તે છે ($^{\circ}$ માં)

જો $\sin \theta + \sin^2 \theta = 1$ અને $\cos^{12} \theta + a \cos^{10} \theta + b \cos^8 \theta + c \cos^6 \theta + d = 0$ હોય,તો:

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