| 103280 | Calculating Sines and Cosines along an Axis | Easy | |
| 103282 | Finding a Cosine from a Sine or a Sine from a Cosine | Easy | |
| 103292 | Unit Circle · Exercise 2 | Easy | |
| 103294 | Unit Circle · Exercise 4 | Easy | |
| 103296 | Unit Circle · Exercise 6 | Medium | |
| 103298 | Unit Circle · Exercise 10 | Medium | |
| 103300 | Unit Circle · Exercise 12 | Medium | |
| 103302 | Unit Circle · Exercise 14 | Medium | |
| 103304 | Unit Circle · Exercise 16 | Medium | |
| 103306 | Unit Circle · Exercise 18 | Medium | |
| 103308 | Unit Circle · Exercise 20 | Medium | |
| 103310 | Unit Circle · Exercise 22 | Medium | |
| 103312 | Unit Circle · Exercise 24 | Medium | |
| 103314 | Unit Circle · Exercise 26 | Medium | |
| 103316 | Unit Circle · Exercise 28 | Medium | |
| 103318 | Unit Circle · Exercise 30 | Medium | |
| 103320 | Unit Circle · Exercise 32 | Medium | |
| 103322 | Unit Circle · Exercise 34 | Medium | |
| 103324 | Unit Circle · Exercise 36 | Medium | |
| 103326 | Unit Circle · Exercise 38 | Medium | |
| 103328 | Unit Circle · Exercise 40 | Medium | |
| 103330 | Unit Circle · Exercise 42 | Medium | |
| 103332 | Unit Circle · Exercise 44 | Medium | |
| 103334 | Unit Circle · Exercise 46 | Medium | |
| 103336 | Unit Circle · Exercise 48 | Medium | |
| 103338 | Unit Circle · Exercise 50 | Medium | |
| 103340 | Unit Circle · Exercise 52 | Medium | |
| 103342 | Unit Circle · Exercise 54 | Medium | |
| 103344 | Unit Circle · Exercise 56 | Medium | |
| 103346 | Unit Circle · Exercise 58 | Medium | |
| 103348 | Unit Circle · Exercise 80 | Medium | |
| 103350 | Unit Circle · Exercise 82 | Medium | |
| 103352 | Unit Circle · Exercise 84 | Medium | |
| 103354 | Unit Circle · Exercise 86 | Medium | |
| 103356 | Unit Circle · Exercise 88 | Medium | |
| 103358 | Unit Circle · Exercise 90 | Deep | |
| 103360 | Unit Circle · Exercise 92 | Deep | |
| 103362 | Unit Circle · Exercise 94 | Deep | |
| 103364 | Unit Circle · Exercise 96 | Deep | |
| 103366 | Unit Circle · Exercise 98 | Deep | |
| 103368 | Unit Circle · Exercise 100 | Medium | |
| 103370 | Unit Circle · Exercise 102 | Medium | |
| 103372 | Unit Circle · Exercise 104 | Medium | |
| 103389 | The Other Trigonometric Functions · Exercise 2 | Easy | |
| 103391 | The Other Trigonometric Functions · Exercise 4 | Easy | |
| 103393 | The Other Trigonometric Functions · Exercise 6 | Medium | |
| 103395 | The Other Trigonometric Functions · Exercise 8 | Medium | |
| 103397 | The Other Trigonometric Functions · Exercise 10 | Medium | |
| 103399 | The Other Trigonometric Functions · Exercise 12 | Medium | |
| 103401 | The Other Trigonometric Functions · Exercise 14 | Medium | |