6.5 Basic Trigonometric Identities

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Presentation transcript:

6.5 Basic Trigonometric Identities We are we learning this? Identities simplify complicated formulas used in physics, engineering, etc (making our life much easier)

Basic Trig Notation

Identities: What are Identities? Quotient Identities Example 1:

Example 2: Reciprocal Identities

Pythagorean Identities Example 3: Pythagorean Identities

Periodicity Identities

Periodicity Identities

Example 4: Periodicity Identities

Negative Angle Identities Example 5: Negative Angle Identities

Identities Involving -t Example 6: Identities Involving -t

6.5 Hmwr: pg. 461: 1-9odd, 15-23odd, 33-37odd, 51,53, 55.