જો $540^{\circ} < A < 630^{\circ}$ અને $|\cos A| = \frac{5}{13}$ હોય,તો $\tan \frac{A}{2} \tan A = $

  • A
    $\frac{18}{5}$
  • B
    $\frac{8}{5}$
  • C
    $-\frac{8}{5}$
  • D
    $-\frac{18}{5}$

Explore More

Similar Questions

$\frac{\sin 5 \theta}{\sin \theta}$ ની કિંમત શું થાય?

$\tan A + 2 \tan 2A + 4 \tan 4A + 8 \cot 8A = $

$\sin 10^{\circ} \cdot \sin 30^{\circ} \cdot \sin 50^{\circ} \cdot \sin 70^{\circ}$ નું મૂલ્ય શું છે?

જો $\tan \theta + \tan \left(\theta + \frac{\pi}{3}\right) + \tan \left(\theta + \frac{2\pi}{3}\right) = 3$ હોય,તો નીચેનામાંથી કયું $1$ ની બરાબર છે?

જો $\cos ^3 x \sin 4 x = \sum_{r=0}^{n} a_{r} \sin rx$ તમામ $x \in R$ માટે હોય,તો $a_3+a_5 : a_1+a_7 = $

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