# Revision history [back]

### Plot a polar curve given the radius?

Essentially, a question reads: Graph the polar curve r = 4cos(2?), where ? is a radian angle.

The graph of the curve looks like a 4 leafed clover.

The following function, r=3cos(?), looks like a circle centered at (3/2, 0).

 2 retagged FrédéricC 3545 ●3 ●35 ●70

### Plot a polar curve given the radius?

Essentially, a question reads: Graph the polar curve r = 4cos(2?), where ? is a radian angle.

The graph of the curve looks like a 4 leafed clover.

The following function, r=3cos(?), looks like a circle centered at (3/2, 0).