Oliver Bowles How I teach Introducing sine and cosine graphs
Channel: thinkmathematics
Date: 2013-06-08

For more details on these activities try these:
www.teachmathematics.net/activities/sine-cosine-triangle-circle-wave.htm
www.teachmathematics.net/activities/sine-cosine-model-waves.htm
www.teachmathematics.net/activities/modelling-music.htm
www.teachmathematics.net/activities/which-wave.htm
For more detail on Dr Amar BOSE, who is a fantastic speaker and very motivating for students, see these two articles:
www.wired.com/techbiz/people/news/2007/10/bose_qa
http://web.mit.edu/invent/iow/bose.html
and this is the excellent video from www.thefutureschannel.com:
www.thefutureschannel.com/dockets/critical_thinking/bose/index.php