Q52 / 89 · KVPY 2017 (5 Nov SB/SX) · Mathematics
Consider the following parametric equation of a curve ;
$\mathrm{x}(\theta)=|\cos 4 \theta| \cos \theta$ $\mathrm{y}(\theta)=|\cos 4 \theta| \sin \theta$
for $0 \leq \theta \leq 2 \pi$
Which one of the following graphs represents the curve ?
- Correct answerA

- B

- C

- D

Solution
Make graph and observe yourself
Hence, the correct answer is option: 'A'.