##### Subchapters

- Sine and Cosine Ratios
- Selecting a Trig Tool
- Inverse Trigonometry
- Trigonometric Applications
- Special Right Triangles
- Pythagorean Triples
- Finding Missing Parts of Triangles
- Law of Sines
- Law of Cosines
- Ambiguous Triangles
- Choosing a Tool
- Chapter 5 Closure