Use Symmetry to Graph Polar Equations
- $r = 2 + 2 \cos \theta ;$

Multiple Choice

Use Symmetry to Graph Polar Equations
- $r = 2 + 2 \cos \theta ;$ the line $\theta = \frac { \pi } { 2 }$

A) may or may not have symmetry with respect to the line $\theta = \frac { \pi } { 2 }$
B) has symmetry with respect to the line $\theta = \frac { \pi } { 2 }$