Chapter 13: Trigonometric Ratios Difficulty Level: At Grade Created by: CK-12 CK-12 Algebra II with Trigonometry Read Resources Details This chapter explores trigonometric ratios in the context of problem solving in right triangles, non-right triangles and the unit circle. Radian measure and connections to area of triangles are also explored. Chapter Outline 13.1. Right Triangle Trigonometry13.2. The Unit Circle13.3. Introduction to Polar Coordinates13.4. The Law of Sines13.5. The Law of Cosines Chapter Summary Image Attributions Description This chapter covers the trig ratios, their inverses, radians, and solving right triangles. Difficulty Level: At Grade Authors: Lori Jordan Kate Dirga Tags: CK.MAT.ENG.SE.1.Algebra-II-with-Trigonometry.13 Subjects: mathematics Algebra Trigonometry Grades: 10 , 11 , 12 Date Created: Dec 16, 2014 Last Modified: Jul 23, 2015 You can only attach files to chapter which belong to you If you would like to associate files with this chapter, please make a copy first.