Select the Graph Of $$r = 3 \cos \theta$$ Over the Interval

Multiple Choice

Select the graph of $$r = 3 \cos \theta$$ over the interval.Describe the part of the graph obtained in this case.​ $$- \frac { \pi } { 2 } \leq \theta \leq \frac { \pi } { 2 }$$ ​

A) ​ Entire circle
B) ​ Entire circle
C) ​ Entire circle
D) ​ Entire circle
E) ​ Entire circle