The polar equation of the circle with centre $\left(2, \frac{\pi}{2}\right)$ and radius 3 units is :
- $r^2+4 r \cos \theta=5$
- $r^2+4 r \sin \theta=5$
- $r^2-4 r \sin \theta=5$
- $r^2-4 r \cos \theta=5$
Solution
Asked in: AP EAMCET 2006
Asked in: AP EAMCET 2006