यदि $m \cdot \tan (\theta-30^{\circ})=n \cdot \tan (\theta+120^{\circ})$ है,तो $\frac{m+n}{m-n}=$

  • A
    $2 \cos 2 \theta$
  • B
    $2 \cos ^2 \theta$
  • C
    $\tan 2 \theta$
  • D
    $2 \sin 2 \theta$

Explore More

Similar Questions

यदि $\frac{1}{\sin 45^{\circ} \sin 46^{\circ}}+\frac{1}{\sin 46^{\circ} \sin 47^{\circ}}+\ldots$ $45$ पदों तक $=\frac{1}{\sin x^{\circ}}$ है,तो $\sin \left(\frac{\pi}{2} x\right)=$

यदि $\tan \theta + \sin \theta = m$ और $\tan \theta - \sin \theta = n$ है,तो

यदि $f(x) = \frac{\cos^2 x + \sin^4 x}{\sin^2 x + \cos^4 x}$,$x \in R$ के लिए,तो $f(2002)$ का मान क्या होगा?

यदि $0 \leq x \leq \frac{\pi}{2}$ है, तो $x$ के उन मानों की संख्या जिनके लिए $\sin x - \sin 2x + \sin 3x = 0$ है, होगी

$\tan 2 \alpha \cdot \tan \left(30^{\circ}-\alpha\right)+\tan 2 \alpha \cdot \tan \left(60^{\circ}-\alpha\right)+\tan \left(60^{\circ}-\alpha\right) \cdot \tan \left(30^{\circ}-\alpha\right)$ का मान क्या है?

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