Piano and Math Tutorials
https://sites.google.com/site/pianoandmathtutorials/
https://sites.google.com/site/pianoandmathtutorials/
Friday, April 20, 2012
Teacher Can't Distinguish Trigonometry from Algebra
Just watched a tutorial entitled Trigonometry that had nothing to do with trig. Was pure algebra (quadratic formula). Wonder where he teaches. Sigh.
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