Chapter 5: Trigonometry Created by: CK-12 CK-12 Foundation and Leadership Public Schools, College Access Reader: Geometry Read Resources Details Chapter Outline 5.1. Vocabulary Self-Rating5.2. Identifying Trigonometric Ratios5.3. Tangent Ratio5.4. Sine Ratio5.5. Cosine Ratio5.6. Choose a Trig Ratio; Word Problems Chapter Summary Image Attributions Share this: Description This chapter introduces trigonometry ratios. Authors: Michael Fauteux Rosamaria Zapata Tags: cosine ratios similar right triangles (4 more) sine special right triangles tangent trigonometry Grades: 8 , 9 , 10 Date Created: Feb 23, 2012 Last Modified: Jun 14, 2014 You can only attach files to None which belong to you If you would like to associate files with this None, please make a copy first.