http://www.ck12.org Chapter 10. Polar and Parametric Equations
Next, change the graphing window so thattvaries between 0 and 32 seconds. TheTste pdetermines how often the
calculator will calculate points. The larger theTste p, the faster and less accurately the graph will plot. Also change
thexto vary between -110 and 110 so you can see the positions of both characters.
Input the parametric equations. Toggle to the left of thexand change the cursor from a line to a line with a bubble
at the end. This shows their position more clearly.
Now when you graph you should watch the race unfold as the two position graphs race towards each other.