To sketch a polar curve, first find values of r at increments of theta, then plot those points as (r, theta) on polar axes. Then connect the points with a smooth curve to get the full sketch of the polar curve.
Read More
Graphing polar curves and, more specifically, graphing circles, is a hard thing to master at first. But, with practice, it gets a lot easier, and you'll get much, much faster.
Read More