Pre-Calculus 4.2: Trigonometric Functions and the Unit Circle part 2

Objectives:
1) Use the domain and period to evaluate sin and cos functions
2) Use even and odd trig functions
3) Use a calculator to evaluate trig functions

[dylanmyers]

You are saving my life in this class. My gratitude is ineffable. It has been a profound privilege learning from you this semester.

[quentinvanderneut]

Im taking precalculus online this year and the professor just gives us a book and doesn't have any lectures, so seeing these fully explained is very helpful.