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Sum and Difference Formulas - Full Lesson

Brian McLogan via YouTube

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This lesson teaches sum and difference formulas for sine, cosine, and tangent. Learners apply the formulas with unit-circle values to evaluate expressions, verify identities, and solve trigonometric equations.

Syllabus

Introduction
Review
Formulas
Sum and Difference Angles
Evaluating a triangle
Verifying identities
Solving

Taught by

Brian McLogan

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