Section 9.2

Polar Equations and Graphs

OBJECTIVE 1

r = 5

Identify and graph the equation: 4

Identify and graph the equation: sin 3r

OBJECTIVE 2

Use a graphing utility to graph the polar equation:

sin 3r

Identify and graph the equation: cos 2r

Identify and graph the equation: 3sinr

Identify and graph the equation: 4cosr

OBJECTIVE 3

OBJECTIVE 4

Graph the equation: 1 cosr

Graph the equation: 4 2sinr

Graph the equation: 1 3sinr

Graph the equation: 4sin 5r

2Graph the equation: 4cos 2r

4Graph the equation: 2r

Graph the equation: 3 3cos