 Chapter 8: Parametric Equations and TrigonometryIn this chapter:
 Use a third variable to write parametric equations that separately define x and y
 Simulate objects in motion with parametric equations
 Convert between parametric equations and equations that use only x and y
 Review the trigonometric ratios—sine, cosine, and tangent
 Use the trigonometric ratios and their inverses to solve application problems
For student resources, click on the items in the box at left. 
