PRE-AP PRE- CALCULUS CHAPTER 5, SECTION 1 Fundamental Identities 2013 - 2014.

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Presentation transcript:

PRE-AP PRE- CALCULUS CHAPTER 5, SECTION 1 Fundamental Identities

Basic Trig Identities

Commit to Memory!!

Using Identities

Complete the table Θ

Cofunction Identities Use the given triangle to find the 6 trig identities for angle A and B x y r

Cofunction Identities

Using More Identities

Simplifying Trig Expressions Sometimes it is necessary to simplify trig expressions and equations much like algebraic equations. They are easier to evaluate (sometimes) when simplified. You can use the identities when needed.

Simplify

Solving a Trig Function

Something to practice

Ch. 5.1 Homework Pg. 451 – 453, #’s: 1, 6, 9, 10, 12, 17, 24, 25, 28, 31, 33, 40, 51, 58, total problems Gray book: pg