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Trigonometric Identities Section 4.3
Objectives Use algebra to simplify trigonometric expressions Establish identities
An identity is a mathematical relationship equating one quantity to another (which may initially appear to be different). An equation that is not an identity is called a conditional equation.
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Section 5.1 Simplifying More Trig Expressions Fundamental Trigonometric Identities: Reciprocal Identities: Quotient Identities: Pythagorean Identities:
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