यदि $\tan x = \frac{2b}{a - c}$ $(a \ne c)$,$y = a \cos^2 x + 2b \sin x \cos x + c \sin^2 x$ और $z = a \sin^2 x - 2b \sin x \cos x + c \cos^2 x$ है,तो:

  • A
    $y = z$
  • B
    $y + z = a + c$
  • C
    $y - z = a + c$
  • D
    $y - z = (a - c)^2 + 4b^2$

Explore More

Similar Questions

$\cos \frac{\pi}{7} \cos \frac{2\pi}{7} \cos \frac{3\pi}{7} =$

$\tan 3A - \tan 2A - \tan A = $

यदि $x \sin 45^{\circ} = y \operatorname{cosec} 30^{\circ}$ है,तो $\frac{x^{4}}{y^{4}}$ का मान क्या होगा ($^{3}$ में)?

यदि $\left| a\sin^2 \theta + b\sin \theta \cos \theta + c\cos^2 \theta - \frac{1}{2}(a + c) \right| \le \frac{1}{2}k$ है,तो $k^2$ का मान ज्ञात कीजिए।

Difficult
View Solution

$\frac{1}{\sqrt{2}} \sin \frac{\pi}{6} \cos \frac{\pi}{4} - \cot \frac{\pi}{3} \sec \frac{\pi}{6} + \frac{5 \tan \frac{\pi}{4}}{12 \sin \frac{\pi}{2}}$ का मान किसके बराबर 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