PARAMETRIC EQUATIONS Graphing Plane Curves (Page 8 of 12)

Now use the table to evaluate the parametric equations for t values spaced π/4 units apart, starting at t = -π. Return to the table setup screen. TblStart is the value of t that you would like the table to begin at, and ΔTbl is the spacing between t values. Also change the independent variable setting to Auto.

 2nd TBLSET key.

 Negation key. 2nd Pi key. ENTER key. 2nd Pi key. Divide key. 4 ENTER key. ENTER key.

 Calculator screen image.

Return to the table, and the TI-83/84 will evaluate the parametric equations for the specified t values automatically.

 2nd TABLE key. Calculator screen image.
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