
5.
Tap (or press ) and then select Trace. Press to deselect point D.
6.
Tap point B and then press to select it.
7. Using the cursor keys, move point B along the curve. Notice that a shadow curve is traced out as you
move point B. This is the curve of the derivative of 3sin(x). Tap point B and then press to
deselect it.
Plot view in detail
In Plot view you can directly draw objects on the screen using various drawing tools. For example, to draw a
circle, tap , tap Curve, and then select Circle. Now, tap where you want the center of the circle to be
and press . Next, tap a point that is to be on the circumference and press . A circle is
drawn with a center at the location of your
rst tap, and with a radius equal to the distance between your rst
tap and second tap.
Note that there are on-screen instructions to help you. These instructions appear near the bottom of the
screen, next to the command listing for the active tool (circle, point, and so on).
Plot view in detail 157
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