9/4	Trig functions ex#1
9/4	Trig functions ex#2
9/10	Trig functions ex#3
9/10	Trig functions ex#4
9/20	Trig functions quiz #1 (all three in one video, look for mistakes)
9/22	Trig functions test page 1a (find the mistake)
9/22	Trig functions test page 1b
9/22	Trig functions test page 1c
9/22	Trig functions test page 1(t/f) and 2
9/22	Trig functions test page page 3