http://www.youtube.com/watch?v=TIlWQBr-S6M
Sunday, January 27, 2013
Saturday, January 26, 2013
"sohcahtoa" hinders understanding of trigonometry
The study of trigonometry (as well as any mathematical subject) should be based on a solid
understanding of the basic ideas, and memorization should be kept to a
minimum. For that reason we oppose using the now fashionable "sohcahtoa" approach to trigonometry, which obscures the fundamental ideas.
Friday, January 4, 2013
To BMG_Rights_Management
Please answer me, so that I avoid filing "fraudulent" disputes. Do my educational piano tutorials fit the Fair Use provision or not?
Subscribe to:
Posts (Atom)