Texas Instruments TI-84 - Manual (Page 497)

Chapter 17: Activities 494
Graphing the Unit Circle and Trigonometric Curves Graphing the Unit Circle and Trigonometric Curves Graphing the Unit Circle and Trigonometric Curves Graphing the Unit Circle and Trigonometric Curves
Problem Problem Problem Problem
Using parametric graphing mode, graph the unit circle and the sine curve to show the
relationship between them.
Any function that can be plotted in Func mode can be plotted in Par mode by defining the
X component as T and the Y component as F(T) .
Procedure Procedure Procedure Procedure
1. Press
z. Select
Par , Simul , and the default settings.
2. Press
p. Set the viewing window.
3. Press
o. Turn off all functions and stat plots. Enter the expressions to define the
unit circle centered on (0,0).
4. Enter the expressions to define the sine curve.
Tmin=0
Tmax=2
p
Tstep=.1
Xmin= L 2
Xmax=7.4
Xscl=
pà 2
Ymin= L 3
Ymax=3
Yscl=1