Page 48 - Trigonometry

Example 14
In this example we are going to create a parametric

graph by plotting

= cos( ) against = sin(2 )

So instead of x being regularly spaced, it becomes a

function in its own right. Create a table for both y(t)

and x(t). If you are using a fx-115ES calculator you can
create a table of both functions at the same time.

Set calculator into TABLE mode (w7). First

obtain the y(t) data. When you see f(X) in the display

enter the following keystrokes,

kQ(X))=

Start? z4=

End? 4=

Step? 0.3=

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