Math IV (2012-13)

Trig: Unit Circle explanation, good in the beginning: http://www.youtube.com/watch?v=cIVpemcoAlY

Khan academy explanation video: http://www.youtube.com/watch?v=ZffZvSH285c

Unit Circle Song: http://www.youtube.com/watch?v=1CiXAP8XaBg

Unit Circle used to graph sine and cosine at same time: http://www.slu.edu/classes/maymk/GeoGebra/TrigReview.html

Law of Sines: http://www.youtube.com/watch?v=5YjnQc5dTg8

Law of Cosines: http://www.youtube.com/watch?v=pGaDcOMdw48