Interactively explore how parameters affect trigonometric functions. TRIGDEMO allows user to manipulate the parameters A,B,C,D in the general equation:
y = y(x) = A trig(Bx + C) +D
Where trig is any one of sine, cosine, tangent, cosecant, secant, cotangent.
The inspiration for this was my participation in a discussion, during the course of which, it became clear that several very educated people didn't completely (reflexively) understand how these parameters affect the plot of trigonometric functions.
I figure if these folks were hesitant, there might be others out there who could use a little refresher.
For demonstration purposes only! This is not meant to be earth-shattering.
Matt Fig (2021). TRIGDEMO (https://www.mathworks.com/matlabcentral/fileexchange/22664-trigdemo), MATLAB Central File Exchange. Retrieved .
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