Chapter 13: Trigonometric Ratios Difficulty Level: At Grade Created by: CK-12 Share Turn In 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 Show Hide Details 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 06, 2016 Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the FlexBook® textbook. Please Customize the FlexBook® textbook.