Jennifer Sawyers's List: Pre-Calc - Objective 2.01

www.titutorials.com/...mainpage.htm

www.mindbites.com/...nverse-trig-function-equations

hyperphysics.phy-astr.gsu.edu/...lsin.html

hyperphysics.phy-astr.gsu.edu/...lcos.html

www.teacherschoice.com.au/...ut_trigonometric_functions.htm