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Example 2: To input the function
In Example 1, we graphed a rectangular expression in the form of
polar coordinate expressions, inequalities, and other types of functions for graphing as well.
In this example, we input and graph the polar coordinate expression
the following sample procedure assumes that you have already completed the steps for
Example 1.
Cla
Pad Operation
(1) Tap anywhere inside of the Graph Editor window to make it active.
(2) Tap the down arrow next to "
r
tap "
=".
• This causes the line numbers next to any line on the Graph Editor window that does
not contain an expression to change from "
lines that already contain expressions do not change.
(3) Tap the input box to the right of line number
• Tapping
stores the expression you input and puts a check mark into the check
box to the left of line number
means that the expression is currently selected for graphing.
3-1-10
Graph & Table Application Overview
r
= 3sin2 into line 2 of Sheet 1 and graph it
y
=", or on the menu tap [Type]. On the list that appears,
r
2. When a line number has a check mark next to it, it
20060301
y
f
x
=
(
). You can also input
r
= 3sin2 . Note that
y
r
r
r
" to "
" (
2,
3, etc.). The line numbers of
r
2 and input the expression.
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