The first step is to enter the expression for the function in the function editor. To do this, the dependent variable y must be isolated. We access the function editor by pressing the 
key.
To graph the function y = sinx, we will enter this
expression using the TI-83/84 function name Y1. The Y1 symbol represents
the variable y. Enter the rule for the function to the right
of the equal sign. Use the |
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key to enter the variable x.
(
