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Math 142, 5.4 Part 1, Derive and Use the Sum and Difference Identities for Sine (Laurie Morvan) View | |
Math 142, 5.4 Part 2, Derive and Use the Sum and Difference Identities for Tangent (Laurie Morvan) View | |
Math 142, 5.5 Part 1, Derive the Double Angle Identities for Cosine, Sine and Tangent (Laurie Morvan) View | |
Trigonometry - Section 5.4 - Part 1 (Jim Barnard Math Tutorials) View | |
Math 142 - Section 5.4 - Evaluating Trig Functions Given a Quadrant and Secant (John Lelko) View | |
Math 142, 5.3 Part 4, Derive and Use the Cofunction Identities (Laurie Morvan) View | |
Math 142, 5.3 Part 3, Applications of the Sum and Difference Identity for Cosine (Laurie Morvan) View | |
SaD of Two Angles 1 (Alireza Razzaghi-Pour) View | |
An Application of a Sum Formula for Cosine (MathMafia) View | |
PC: 5.4 Notes: Example 2 - Evaluating a Trig Expression (MrKlineTL) View |