यदि $\cos \alpha = \frac{2 \cos \beta - 1}{2 - \cos \beta}$ है,तो $\tan \frac{\alpha}{2} \cot \frac{\beta}{2}$ का मान ज्ञात कीजिए,जहाँ $(0 < \alpha < \pi$ और $0 < \beta < \pi)$ है।

  • A
    $\sqrt{3}$
  • B
    $2$
  • C
    $\sqrt{2}$
  • D
    $3$

Explore More

Similar Questions

यदि $x + y + z = 180^o$ है,तो $\cos 2x + \cos 2y - \cos 2z$ का मान क्या होगा?

यदि $\tan \alpha = (1 + 2^{-x})^{-1}$ और $\tan \beta = (1 + 2^{x+1})^{-1}$ है, तो $\alpha + \beta$ का मान ज्ञात कीजिए:

$\frac{{\sin 3A - \cos \left( {\frac{\pi }{2} - A} \right)}}{{\cos A + \cos (\pi + 3A)}} = $

$\frac{\tan ^{2} \theta}{\sec \theta+1}-\sec \theta$ का मान ज्ञात कीजिए।

$\frac{\sin^3 \theta - \cos^3 \theta}{\sin \theta - \cos \theta} - \frac{\cos \theta}{\sqrt{1 + \cot^2 \theta}} - 2 \tan \theta \cot \theta = -1$ यदि

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