TI-83 Plus Parametric Graphing 155
1. Press z. Press † † † ~ Í to select
Par mode. Press † † ~ Í to select Simul
for simultaneous graphing of all three
parametric equations in this example.
2. Press o. Press 30 „ ™ 25 y ; 1
(to select ¡) ¤ Í to define X1T in terms of T.
3. Press 30 „ ˜ 25 y ; 1 ¤ ¹ 9.8
¥ 2 „ ¡ Í to define Y1T.
The vertical component vector is defined by X2T
and Y2T.
4. Press 0 Í to define X2T.
5. Press ~ to display the VARS Y.VARS menu.
Press 2 to display the PARAMETRIC secondary
menu. Press 2 Í to define Y2T.