Texas Instruments TI-89 사용자 설명서

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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) = A sin Bq.

Enter 8 and 2.5 for A and B, respectively.

Press

8 # , 8 ¸ ¸ 8 2 W

2.5

8 Ï d ¸