eText Chapter 4 (DRAFT)
Professor Kellie Evans (kellie.m.evans@csun.edu)
Working Title: Special right triangles, the unit circle, trigonometric functions, the Law of Cosines, and the Law of Sines
Working Title: Special right triangles, the unit circle, trigonometric functions, the Law of Cosines, and the Law of Sines
Experiment with the demo to remind yourself of some properties of the cosine and sine functions and their unit circle origins.
