Differences In Polar And Function Graphing - Texas Instruments TI-89 Titanium User Manual

Use the „
•
Zoom
Use the ‡
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Math
are not available for polar graphs.

Differences in Polar and Function Graphing

This module assumes that you already know how to graph
Basic Function Graphing. This section describes the differences that apply to polar
equations.
Setting the Graph Mode
Use 3 to set
Graph = POLAR
The Y= Editor and the Window Editor let you enter information for the current
mode setting only.
You should also set the
for q.
Defining Polar Equations on the Y= Editor
Polar Graphing
toolbar menu to zoom in or out on a portion of the graph.
toolbar menu to find derivatives, tangents, etc. Some menu items
before you define equations or set Window variables.
mode to the units (RADIAN or DEGREE) you want to use
Angle
You can define polar
equations for r1(
through r99(
y(x)
)
q
q ).
functions as described in
Graph
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