This video makes the connection between previously learned algebra skills and how these same skills can be used to work with and simplify expressions involving trig functions.
See the rest of my videos covering other Trigonometric Identities concepts:    • ★ Trig Identities [Chapter 6] Pre-Cal...  

Corresponds to chapter 6, section 6.1 in McGraw-Hill's Pre-Calculus 12, but also fits with the trigonometry unit from almost any other Pre-Calculus course or textbook.

My instructional approach emphasizes conceptual understanding of and connections between concepts and ideas, rather than just pure memorization.

A PDF copy of the 'Video Guide' document used in these videos as well as lots of other resources are available at https://drive.google.com/drive/folder...

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