EZ Math Movie, Tutorials, Drawing Functions, Sine Wave


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Changing the graph bounds

This tutorial shows how to draw a trig function. When doing this, the x-axis is often used to represent an angle. Here we will set up the x-axis so that it runs from -360 degrees to +360 degrees. We will be graphing the sine function, and it has an output range of -1 to +1. Our graph will be set up for y-coordinates from -2 to +2, so all of the function output values will fit on the graph.

The switch to these new bounds is done automatically for you on this page, but, of course, you could do this manually by clicking on the appropriate bounds from the drop down selections on the graph panel.

A useful set of trig bounds

Trig graph bounds

Running the example program

The example program draws a sine function twice. The first time it uses the point to point drawing method. The second time it uses the line segment method.

Click the 'Go' button and you will see the familiar sine wave.


The example program

0ptions
Angle measurement: Degrees Radians

Go on input

Bounds:
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Printer

Edit: Runtime          View: Starter Suggestion

To runtime:

Storage:

Editor width: Normal Wide


		

	


		

	


		

	

And....

Next tutorial: The input gizmo


All contents of EZ Math Movie are copyrighted: Copyright 2011, Edward A. Zobel. All rights reserved.



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