parametric equation of circle

Parametric Equation of Circle (i) The parametric equation of circle $x^2 + y^2$ = $r^2$ are x = rcos$\theta$, y = rsin$\theta$ ; $\theta$ $\in$ [0,2$\pi$) and (rcos$\theta$, rsin$\theta$) are called parametric coordinates. Also Read : General Equation of the Circle – Formula and Examples (ii) The parametric equation of circle \((x – h)^2 + […]