Precalc 5.1 Notes.notebook
Chapter 5 Analytic Trigonometry
The main goals of this chapter are to be able to • verify identities, • simplify trig. expressions, • solve trig. equations.
Precalc 5.1 Notes.notebook
These are some of the basic trig identities that you should know.
Precalc 5.1 Notes.notebook
Example
Use the given values to find the values of all six trig functions.
Precalc 5.1 Notes.notebook
Example
Simplify
Precalc 5.1 Notes.notebook
Example
Verify the identity.
Precalc 5.1 Notes.notebook
Example
Factor
Precalc 5.1 Notes.notebook
Example
Simplify
Precalc 5.1 Notes.notebook
Example
Use the substitution
as a trig function of ,
, to write