
16 Parametric app
The Parametric app enables you to explore parametric equations. These are equations in which both x and y
are dened as functions of t. They take the forms x = f(t) and y = g(t).
Getting started with the Parametric app
The Parametric app uses the customary app views: Symbolic, Plot, and Numeric view.
The Symbolic view, Plot view, and Numeric view menu buttons are available in this app.
Throughout this chapter, we will explore the parametric equations x(T) = 8sin(T) and y(T) = 8cos(T). These
equations produce a circle.
Opening the Parametric app
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Press , and then select Parametric.
The Parametric app starts in Symbolic view. This is the dening view. It is where you symbolically dene (that
is, specify) the parametric expressions you want to explore.
The graphical and numerical data you see in Plot view and Numeric view are derived from the symbolic
functions dened here.
304 Chapter 16 Parametric app
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