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TI-83 Plus Activities 577
4. Enter the expressions to define the sine curve.
5. Press
r
. As the graph is plotting, you may press
Í
to pause
and
Í
again to resume graphing as you watch the sine function
“unwrap” from the unit circle.
Note:
You can generalize the unwrapping. Replace
sin(T)
in
Y
2
T
with any other
trig function to unwrap that function.