Learn how to use sum and difference identities and formulas in trigonometry to evaluate exact values for angles not on the unit circle. This course covers verifying identities, ratios of sides of triangles, evaluating trig values, and finding solutions within a specific interval. The teaching method includes explanations, examples, and step-by-step guidance. This course is intended for students studying trigonometry who want to deepen their understanding of sum and difference formulas.
Sum and Difference Identities and Formulas - Sine, Cosine, Tangent
MooMooMath and Science via YouTube
Overview
Syllabus
Introduction to sum and difference formulas..
Find the sum of 105 degrees which is not on the unit circle..
Take a look at sum and difference formulas..
Find a sum or difference from the unit circle that is equal to 5 pi over 12.
Verify the identity..
Ratio of sides of triangles..
Evaluate and write the trig value..
Verify using sum and difference..
Write as an algebraic expression..
Find all of the solutions of the equation in the interval 0, to2 pi.
Taught by
MooMooMath and Science
