| 103323 | Unit Circle · Exercise 35 | Medium | |
| 103325 | Unit Circle · Exercise 37 | Medium | |
| 103327 | Unit Circle · Exercise 39 | Medium | |
| 103329 | Unit Circle · Exercise 41 | Medium | |
| 103331 | Unit Circle · Exercise 43 | Medium | |
| 103333 | Unit Circle · Exercise 45 | Medium | |
| 103335 | Unit Circle · Exercise 47 | Medium | |
| 103337 | Unit Circle · Exercise 49 | Medium | |
| 103371 | Unit Circle · Exercise 103 | Medium | |
| 103426 | The Other Trigonometric Functions · Exercise 39 | Medium | |
| 103428 | The Other Trigonometric Functions · Exercise 41 | Medium | |
| 103517 | The Other Trigonometric Functions · Exercise 135 | Medium | |
| 107282 | Unit Circle: Sine and Cosine Functions · Exercise 35 | Medium | |
| 107284 | Unit Circle: Sine and Cosine Functions · Exercise 37 | Medium | |
| 107286 | Unit Circle: Sine and Cosine Functions · Exercise 39 | Medium | |
| 107288 | Unit Circle: Sine and Cosine Functions · Exercise 41 | Medium | |
| 107290 | Unit Circle: Sine and Cosine Functions · Exercise 43 | Medium | |
| 107292 | Unit Circle: Sine and Cosine Functions · Exercise 45 | Medium | |
| 107294 | Unit Circle: Sine and Cosine Functions · Exercise 47 | Medium | |
| 107296 | Unit Circle: Sine and Cosine Functions · Exercise 49 | Medium | |
| 107307 | The Other Trigonometric Functions · Exercise 39 | Medium | |
| 103297 | Unit Circle · Exercise 7 | Medium | |
| 103299 | Unit Circle · Exercise 11 | Medium | |
| 103301 | Unit Circle · Exercise 13 | Medium | |
| 103303 | Unit Circle · Exercise 15 | Medium | |
| 103305 | Unit Circle · Exercise 17 | Medium | |
| 103307 | Unit Circle · Exercise 19 | Medium | |
| 103309 | Unit Circle · Exercise 21 | Medium | |
| 103311 | Unit Circle · Exercise 23 | Medium | |
| 103313 | Unit Circle · Exercise 25 | Medium | |
| 103315 | Unit Circle · Exercise 27 | Medium | |
| 103317 | Unit Circle · Exercise 29 | Medium | |
| 103319 | Unit Circle · Exercise 31 | Medium | |
| 103321 | Unit Circle · Exercise 33 | Medium | |
| 103339 | Unit Circle · Exercise 51 | Medium | |
| 103341 | Unit Circle · Exercise 53 | Medium | |
| 103343 | Unit Circle · Exercise 55 | Medium | |
| 103345 | Unit Circle · Exercise 57 | Medium | |
| 103347 | Unit Circle · Exercise 59 | Medium | |
| 103349 | Unit Circle · Exercise 81 | Medium | |
| 103351 | Unit Circle · Exercise 83 | Medium | |
| 103353 | Unit Circle · Exercise 85 | Medium | |
| 103355 | Unit Circle · Exercise 87 | Medium | |
| 103357 | Unit Circle · Exercise 89 | Medium | |
| 103369 | Unit Circle · Exercise 101 | Medium | |
| 103394 | The Other Trigonometric Functions · Exercise 7 | Medium | |
| 103396 | The Other Trigonometric Functions · Exercise 9 | Medium | |
| 103398 | The Other Trigonometric Functions · Exercise 11 | Medium | |
| 103400 | The Other Trigonometric Functions · Exercise 13 | Medium | |
| 103402 | The Other Trigonometric Functions · Exercise 15 | Medium | |