The length of the normal to the curve $x=a(\theta+\sin \theta), y=a(1-\cos \theta)$ at…

The length of the normal to the curve $x=a(\theta+\sin \theta), y=a(1-\cos \theta)$ at $\theta=\frac{\pi}{2}$ is
  1. $a^2$
  2. $a \sqrt{2}$
  3. $2 a$
  4. $a$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (24 Apr Shift 2)

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