Discussion:  All in Calculus 
Topic:  two different tools 
Related Item:  http://mathforum.org/mathtools/tool/1127/ 
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Subject:  two different tools 
Author:  George 
Date:  Feb 4 2004 
http://www.ugrad.math.ubc.ca/coursedoc/math100/demos/trig/harmonic.html
I used both these tools to graph similar functions and got different results
that I captured in these two pictures.
www.mste.uiuc.edu/reese/misc/waveForm.jpg
and
www.mste.uiuc.edu/reese/misc/curiousWaveForm.jpg
I would ask my class, or anyone else who would want to comment; how important is
it for, say, a high school trigonometry student to be able to critique displays
they get from computer visualizations?
 
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