##### Subchapters

- Are You Ready?
- Similarity in Right Triangles
- Technology Lab: Explore Trigonometric Ratios
- Trigonometric Ratios
- Connecting Geometry to Algebra: Inverse Functions
- Solving Right Triangles
- Multi-Step Test Prep
- Ready To Go On?
- Angles of Elevation and Depression
- Geometry Lab: Indirect Measurement Using Trigonometry
- Law of Sines and Law of Cosines
- Vectors
- Extension: Trigonometry and the Unit Circle
- Study Guide: Review
- Chapter Test
- College Entrance Exam Practice
- Test Tackler
- Standardized Test Prep

##### Other chapters in Holt Geometry, 2007

- Foundations for Geometry
- Geometric Reasoning
- Parallel and Perpendicular Lines
- Triangle Congruence
- Properties and Attributes of Triangles
- Polygons and Quadrilaterals
- Similarity
- Extending Perimeter, Circumference, and Area
- Spatial Reasoning
- Circles
- Extending Transformational Geometry
- Extra Practice
- Problem-Solving Handbook
- Skills Bank