Precalculus Trigonometry: 172 6_1_6 HW Review and Use of Basic Trig Identities M2U00421...
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- Description
- Trig Identities and a review of the basics. Even after we work with trig functions for a while, we still need to be reminded of the basic identities. We finish up this one with an identity that requires use of the difference of squares from algebra. 22:00 © 2008 by Raymond E. Griffith.
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