Texas Instruments TI-89 Manuale Utente

Polar Graphing

341

Exploring the Graph

From the Graph screen, you can:

•

Display the coordinates of any pixel by using the free-moving cursor, or of a plotted
point by tracing a polar equation.

4. Set the display style for an equation. You

can set either the x or y component.
2 ˆ

This is optional. For multiple equations,
this helps visually distinguish one from
another.

5. Define the viewing window (

8 $).

„

Zoom

also changes the viewing

window.

6. Change the graph format if necessary.

– or –

8 Í

7. Graph the selected equations

(

8 %).