If $x = a \cos^3 \theta$ and $y = b \sin^3 \theta$,then:

  • A
    $(\frac{a}{x})^{2/3} + (\frac{b}{y})^{2/3} = 1$
  • B
    $(\frac{b}{x})^{2/3} + (\frac{a}{y})^{2/3} = 1$
  • C
    $(\frac{x}{a})^{2/3} + (\frac{y}{b})^{2/3} = 1$
  • D
    $(\frac{x}{b})^{2/3} + (\frac{y}{a})^{2/3} = 1$

Explore More

Similar Questions

If $\cos ^{2} x+\cos ^{4} x=1,$ then $\tan ^{2} x+\tan ^{4} x=?$

Difficult
View Solution

$\sin (\beta + \gamma - \alpha ) + \sin (\gamma + \alpha - \beta ) + \sin (\alpha + \beta - \gamma ) - \sin (\alpha + \beta + \gamma ) = $

$ABCD$ is a rectangle where $AC$ is a diagonal. The value of $(\tan^2 \angle CAD + 1) \sin^2 \angle BAC$ is

Find the value of $\tan 4^{\circ} \tan 43^{\circ} \tan 47^{\circ} \tan 86^{\circ}$.

The extreme values of $1 + 4 \sin \theta + 3 \cos \theta$ are:

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