1. Section 5.1: Fundamental Identities
Do Now (5 min. – No talking first 4!!)
How can you express tan x in terms of sin x and cos x?
How can you express cot x in terms of sin x and cos x?
If sin x = 3/5 and cos x = -4/5, find:
a) tan x b) cot x c) csc x d) sec x

2. Reciprocal Identities
Quotient Identities

3. Pythagorean Identities

4. CoFunction Identities

5. Odd-Even Identities Which of the trig. Functions are even?
Which are odd?

6. Simplifying by Factoring

7. Simplifying by Expanding

8. Simplifying by Combining Fractions

9. Solving Trig Equations