3: Trigonometric Identities Last updated Save as PDF Page ID807 Contributed by CK12CK12 3.1: Trig Identities3.1.1: Fundamental Trigonometric Identities3.1.2: Quotient Identities3.1.3: Reciprocal Identities3.1.4: Pythagorean Identities3.1.5: Even and Odd Identities3.1.6: Cofunction Identities3.2: Basic Trig Identity Applications3.2.1:Trig Identities to Find Exact Trigonometric Values3.2.2: Simplifying Trigonometric Expressions3.2.3: Proofs of Trigonometric Identities3.2.4: Simpler Form of Trigonometric Equations3.2.5: Section 5-3.2.6: Section 6-3.3: Sum and Difference Identities3.3.1: Section 1-3.3.2: Section 2-3.3.3: Section 3-3.3.4: Section 4-3.3.5: Section 5-3.3.6: Section 6-3.4: Double and Half Angle Identities3.4.1: Section 1-3.4.2: Section 2-3.4.3: Section 3-3.4.4: Section 4-3.4.5: Section 5-3.4.6: Section 6-3.5: Sum to Product and Triple Angle Formulas3.5.1: Section 1-3.5.2: Section 2-3.5.3: Section 3-3.5.4: Section 4-3.5.5: Section 5-3.5.6: Section 6-
