Sum and Difference Formulas | Full Lesson
52:00
YouTubeBrian McLogan
Sum and Difference Formulas | Full Lesson
In this video we will work through what the sum and difference formulas are, and how to apply them to help use evalutate trigonometric expressions, verify trigonometric identities and solve trigonometric equations. I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to ...
13.5K viewsFeb 2, 2020
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