6.2 Polar Graphs

OpenStax Precalculus 2e — Chapter 8, Section 8.4

Learning Objectives

  • Graph circles, cardioids, and limacons in polar form

  • Graph rose curves \(r = a\cos(n\theta)\) and determine petal count

  • Graph lemniscates \(r^2 = a^2\cos(2\theta)\)

  • Test polar equations for symmetry about the polar axis, line \(\theta = \pi/2\), and pole

Key Concepts

To be filled during study.

Practice Problems

To be completed with textbook exercises.

Section Summary

To be written after completing the section.

Study Notes

Personal observations and connections to engineering work.