यदि $\cos 40^\circ = x$ और $\cos \theta = 1 - 2x^2$ है,तो $0^\circ$ और $360^\circ$ के बीच $\theta$ के संभावित मान क्या हैं?

  • A
    $100^\circ$ और $260^\circ$
  • B
    $80^\circ$ और $280^\circ$
  • C
    $280^\circ$ और $110^\circ$
  • D
    $110^\circ$ और $260^\circ$

Explore More

Similar Questions

$\cos x \cdot \cos 7 x - \cos 5 x \cdot \cos 13 x = $

यदि $\cos \theta = \frac{-3}{5}$ और $\pi < \theta < \frac{3 \pi}{2}$ है,तो $\tan \left(\frac{\theta}{2}\right) = $

$\cos \left(\frac{2 \pi}{7}\right) + \cos \left(\frac{4 \pi}{7}\right) + \cos \left(\frac{6 \pi}{7}\right)$ का मान ज्ञात कीजिए।

यदि $33\theta = \pi$ है, तो $\cos \theta \cos 2\theta \cos 4\theta \cos 8\theta \cos 16\theta$ का मान है

$\tan 20^\circ \tan 40^\circ \tan 60^\circ \tan 80^\circ = $

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