| (Practice) | 5.1 Fundamental Identities | |
| (Practice) | 5.2 Proving Trigonometric Identities | |
| (Practice) | 5.3 Sum & Difference Identities | |
| (Practice) | 5.4 Multiple-Angle Identities | |
| (Practice) | Solving Trigonometric Equations | |
| (Practice) | 5.5 The Law of Sines | |
| (Practice) | 5.6 The Law of Cosines & Area of a Triangle |