Pre-Calculus‎ > ‎

Unit 5

Trigonometric Identities








5-C Trig Proofs




General Strategies for Trig Proofs








5-D Sum/Difference Identities & Multiple Angle Identities



Good thorough explanation of all Trig Identities (optional):





Law of Sines & Cosines



5-E Law of Sines





5-F Law of Cosines





Here are some extra illustrations, videos, and examples of the Law of Sines:






From MathTV.com:




Ex1




Ex2





Ex3





Ex5






  • Here is a 'Trig Cheat Sheet' that has a bunch of the formulas condensed into 4 pages that we have learned and are learning in our study of Trigonometry.  Its a good sheet to have in your notebook for quick reference.  Print it off 2 sheets per page and on the front and back of one sheet to put it all on one piece of paper!




Unit 5 Livestream Review - Fall 2015





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Joey Flory,
Apr 15, 2014, 12:37 PM
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Joey Flory,
Nov 1, 2013, 4:43 PM
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Joey Flory,
Nov 1, 2013, 4:20 PM
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Joey Flory,
Nov 1, 2013, 2:37 PM
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Joey Flory,
Nov 1, 2013, 2:32 PM
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