Launch the Interactive Plot Builder with $\mathrm{sin}\left(x\right)$ and $\mathrm{cos}\left(x\right)$ embedded by clicking
. (The Preview and Options buttons will work, but no graph will be embedded in this worksheet.)

Figure A9.1(b) Initial pane for the Interactive Plot Builder





Figure A9.1(c) Edited range in the Plot Builder



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Select 2D trigonometric plot.

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The default interval for trig functions is $\left[2\mathrm{pi;}comma;2\mathrm{pi;}\right]$, which is easily edited to $\left[0\,\mathrm{\π}\right]$. See Figures A9.1(bc).

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Click the Options button to access the plot options. To make changes that affect both curves, select "Global Defaults & Settings" in the dropdown box at the topleft of the Options panel.
Add the Label "y" in the Range from/to line.
Check the box for Constrained Scaling.
See Figure A9.1(d).

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The horizontal axis is automatically labeled in multiples of $\mathrm{\π}$ for trig functions. This can be adjusted as follows.




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In the Axes section, select Advanced Settings and in the Advanced Axis Settings dialog, use the Tickmarks dropdown for x to select "spacing(Pi,0)" in which Pi can be changed to Pi/4. Change the Tickmarks from "default" to 3 for the other axis, and click the Apply button. See Figure A9.1(e).


Figure A9.1(d) Options panel after changes made





Figure A9.1(e) Advanced Axis Settings panel



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Clicking the Close button returns focus to the Options pane.

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Change "Global Defaults & Settings" to an individual function to change the color of its graph.

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Click the Preview button to see the state of the graph at any time.




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Alternatively, use the Context Panel to launch the Plot Builder on $\mathrm{sin}\left(x\right)$, selecting "2D plot". Use the tools in the Plot Builder to modify the horizontal range. Then, copy and paste $\mathrm{cos}\left(x\right)$ onto the existing graph.
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