$\frac{\cot ^2 15^{\circ}-1}{\cot ^2 15^{\circ}+1} = $

  • A
    $\frac{1}{2}$
  • B
    $\frac{\sqrt{3}}{2}$
  • C
    $\frac{3 \sqrt{3}}{4}$
  • D
    $\frac{\sqrt{3}}{4}$

Explore More

Similar Questions

જો $2\cos^2 \theta - 2\sin^2 \theta = 1$ હોય,તો $\theta = \dots ^\circ$.

જો $\sec \theta = 1\frac{1}{4}$ હોય,તો $\tan \frac{\theta}{2} = $

જો $\sin x + \cos x = \frac{1}{5}$ હોય,તો $\tan 2x$ ની કિંમત શોધો.

$\cos ^4 x$ નું મૂલ્ય શું છે?

જો $\sin 6 \theta = 32 \cos^5 \theta \sin \theta - 32 \cos^3 \theta \sin \theta + 3x$ હોય,તો $x$ ની કિંમત શોધો:

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