High School Trigonometry/Product-and-Sum, Sum-and-Product, and Linear Combinations of Identities

From Wikibooks, open books for an open world
Jump to: navigation, search

Product to Sum Formulas

Sum to Product Formula

This material was adapted from the original CK-12 book that can be found here. This work is licensed under the Creative Commons Attribution-Share Alike 3.0 United States License