Texas Instruments Titanium TI-89 User Manual

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Polar Graphing
Polar Graphing Polar Graphing
Polar Graphing
The graph of the polar equation r1(q) = A sin Bq forms the shape of a rose. Graph the
rose for A=8 and B=2.5. Then explore the appearance of the rose for other values of A
and B.
Steps and keystrokes Display
1. Display the MODE dialog box. For Graph
mode, select
POLAR. For Angle mode,
select
RADIAN.
Press 3 B 3 D D D B 1 ¸
2. Display and clear the
Y= Editor. Then
define the polar equation r1(q)=Asin Bq.
Enter 8 and 2.5 for A and B, respectively.
Press 8 # , 8 ¸ ¸ 8 2 W
2.5 8 Ï d ¸

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)