यदि $\tan 15^{\circ}+\frac{1}{\tan 75^{\circ}}+\frac{1}{\tan 105^{\circ}}+\tan 195^{\circ}=2a$ है,तो $\left(a+\frac{1}{a}\right)$ का मान ज्ञात कीजिए:

  • A
    $4$
  • B
    $4-2\sqrt{3}$
  • C
    $2$
  • D
    $5-\frac{3}{2}\sqrt{3}$

Explore More

Similar Questions

मान ज्ञात कीजिए: $\sin 21^{\circ} \cos 9^{\circ}-\cos 84^{\circ} \cos 6^{\circ}$

समीकरणों $\sin x + \sin y = \sin (x + y)$ और $|x| + |y| = 1$ को संतुष्ट करने वाले $(x, y)$ युग्मों की संख्या है

Difficult
View Solution

यदि $\sin x + \sin y = \alpha$ और $\cos x + \cos y = \beta$ है,तो $\operatorname{cosec}(x + y) = $

$\tan \frac{2 \pi}{7} \cdot \tan \frac{4 \pi}{7} + \tan \frac{4 \pi}{7} \cdot \tan \frac{\pi}{7} + \tan \frac{\pi}{7} \cdot \tan \frac{2 \pi}{7} = $

यदि $\sinh x = \tan A$ है,तो $|\tanh x| =$

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