28:16
172 5_4_5 Working with Basic Trig Identities M2U00410_transcoded.mp4
Simplifying Trig expressions. Exploring identities. Homework examples worked out. © 2008 by Raymond E. Griffith.
08:23
172 6_1_4 Verifying Trig Identities (Short exercise in factoring) M2U00417.mp4
A horrible, mean, and awful identity exercise handled in short order when we utilize factoring by grouping. A reminder that most of the problems in this section are caused by algebraic difficulties, not by trig functions. 8:23 © 2008 by Raymond E. Griffith.
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