In Exercises 13-20

MATHEMATICS · Subjective · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions

Problem

In Exercises 13-20, use the polar symmetry tests to determine if the graph is symmetric about the

x

-axis, the

y

-axis, or the origin. Support your algebraic solution with a grapher. 15.

r=4-3 \cos \theta