यदि $\sin x + \sin^2 x = 1$ है,तो $\cos^{12} x + 3\cos^{10} x + 3\cos^8 x + \cos^6 x - 2$ का मान क्या होगा?

  • A
    $0$
  • B
    $1$
  • C
    $-1$
  • D
    $2$

Explore More

Similar Questions

मान लीजिए कि $\alpha, \beta$ और $\gamma$ इस प्रकार हैं कि $0 < \alpha < \beta < \gamma < 2 \pi$ है। किसी भी $x \in \mathbb{R}$ के लिए,यदि $\cos (x+\alpha)+\cos (x+\beta)+\cos (x+\gamma)=0$ है,तो $\tan (\gamma-\alpha) = $

$\tan \frac{\pi}{5} + 2 \tan \frac{2 \pi}{5} + 4 \cot \frac{4 \pi}{5} = $

$\tan 9^\circ - \tan 27^\circ - \tan 63^\circ + \tan 81^\circ = $

यदि $\tan \left(\frac{\pi}{4}+\alpha\right)=\tan ^3\left(\frac{\pi}{4}+\beta\right)$ है,तो $\tan (\alpha+\beta) \cot (\alpha-\beta)=$

$\text{यदि } \sin(\alpha+\beta)=1, \sin(\alpha-\beta)=\frac{1}{2}, \alpha, \beta \in [0, \frac{\pi}{2}], \text{ तो } \tan(\alpha+2\beta) \cdot \tan(2\alpha+\beta) = ?$

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