Precalculus 5.4 Sum and Difference Formulas
Learn how to solve trigonometric equations or simplify expressions using the sum and difference formulas.
Video Chapters:
0:00 Intro
0:04 The Sum and Difference Formulas
0:48 Find the Exact Value of a Trigonometric Expression
3:54 Evaluate a Trigonometric Expression (Challenge)
8:02 Write Trigonometric Functions as Algebraic Expressions
14:23 Solving a Trigonometric Equation
16:58 Up Next
Playlist Text: Precalculus, 11e, Ron Larson
Playlist: • Precalculus Playlist (Full Course in ...
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