Chapter 4 – Solving Triangles

Chapter 4 uses the Law of Sines and Law of Cosines to extend the ability to solve triangles beyond just right triangles. Formulas for the area of a triangle using trig functions can also be found.

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Trigonometry by Mike Weimerskirch and the University of Minnesota Board of Regents is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, except where otherwise noted.