Consider 𝑓𝜃=5+2cos𝜃. Pick convenient points from the rectangular representation of this relationship. Plot points on the polar graph 𝑟=𝑓𝜃 in polar. Guess the shape of the polar graph.
From 0≤𝜃≤2𝜋, over what interval is 𝑟…
Positive and increasing?
Positive and decreasing?
Negative and increasing?
Negative and decreasing?