Texas Instruments TI-89 Titanium User Manual page 334

ƒ
9
– or –
8 Í
to set
Coordinates = POLAR
properly, but coordinates will be displayed as x and y.
When you trace a polar equation, the q coordinate is shown even if
Exploring a Graph
As in function graphing, you can explore a graph by using the following tools. Any
displayed coordinates are shown in polar or rectangular form as set in the graph format.
Tool For Polar Graphs:
Free-Moving Works just as it does for function graphs.
Cursor
„
Works just as it does for function graphs.
Zoom
•
•
Polar Graphing
. If
Coordinates = RECT
x xmin xmax
Only ( ,
Window variables are affected.
The q Window variables (
affected unless you select
q min = 0 q max = 2
,
, the polar equations will be graphed
xscl y ymin
, ) and ( ,
min max step
q , q , q
6:ZoomStd
(which sets
p q step = p /24
, and
Coordinates = RECT
ymax yscl
, )
) are not
).
.
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