Video 5.4a - Sum and Difference Formulas
Goal: Use algebraic reasoning and trig identities to solve trig equations.
New Vocabulary: None
Can you do it? Try these exercises.
Video 5.4b - Sum and Difference Formulas Practice
Goal: Solve trigonometric equations involve quadratic forms of trig equations and multiple angles.
New Vocabulary: None
Can you do it? Try these exercises.
