જો $\frac{\cos 3A + \sin 3A}{\cos A - \sin A} = 1 - K \sin 2A$ હોય,તો $K$ ની કિંમત શોધો.

  • A
    $-2$
  • B
    $2$
  • C
    $3$
  • D
    $4$

Explore More

Similar Questions

$\cos^2 \left( \frac{\pi}{6} + \theta \right) - \sin^2 \left( \frac{\pi}{6} - \theta \right) = $

જો $\theta$ એ ધન લઘુકોણ હોય અને $\tan 2\theta \cdot \tan 3\theta = 1$ હોય,તો $(2 \cos^2 \frac{5\theta}{2} - 1)$ નું મૂલ્ય શોધો:

જો $\tan \alpha$ એ અસમતા $4x^2 - 16x + 15 < 0$ નો પૂર્ણાંક ઉકેલ હોય અને $\cos \beta$ એ પ્રથમ ચરણના દ્વિભાજકનો ઢાળ હોય,તો $\sin(\alpha + \beta)\sin(\alpha - \beta)$ ની કિંમત શોધો.

Difficult
View Solution

જો $A, B, C$ એ ત્રિકોણના ખૂણાઓ હોય,તો $\sin^2 A + \sin^2 B + \sin^2 C - 2\cos A \cos B \cos C = $

$\cos^4 \frac{\pi}{8} + \cos^4 \frac{3\pi}{8} + \cos^4 \frac{5\pi}{8} + \cos^4 \frac{7\pi}{8} = $

Difficult
View Solution

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