જો $\tan \left( \frac{\pi }{4} + \theta \right) + \tan \left( \frac{\pi }{4} - \theta \right) = \lambda \sec 2\theta$ હોય,તો $\lambda$ =

  • A
    $3$
  • B
    $4$
  • C
    $1$
  • D
    $2$

Explore More

Similar Questions

$\tan 15^\circ = $

જો $\cos (A - B) = \frac{3}{5}$ અને $\tan A \tan B = 2$ હોય,તો

સાબિત કરો કે: $\frac{\sin 5x + \sin 3x}{\cos 5x + \cos 3x} = \tan 4x$

સાબિત કરો કે: $\sin 3x + \sin 2x - \sin x = 4 \sin x \cos \frac{x}{2} \cos \frac{3x}{2}$

Difficult
View Solution

$\cos(36^{\circ}-A) \cos(36^{\circ}+A) + \cos(54^{\circ}+A) \cos(54^{\circ}-A) = $

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