| 104060 | Sum-to-Product and Product-to-Sum Formulas · Exercise 40 | Medium | |
| 104062 | Sum-to-Product and Product-to-Sum Formulas · Exercise 42 | Medium | |
| 104064 | Sum-to-Product and Product-to-Sum Formulas · Exercise 44 | Medium | |
| 104066 | Sum-to-Product and Product-to-Sum Formulas · Exercise 46 | Medium | |
| 104068 | Sum-to-Product and Product-to-Sum Formulas · Exercise 48 | Medium | |
| 104070 | Sum-to-Product and Product-to-Sum Formulas · Exercise 50 | Medium | |
| 104072 | Sum-to-Product and Product-to-Sum Formulas · Exercise 52 | Medium | |
| 107352 | Sum and Difference Identities · Exercise 25 | Medium | |
| 107353 | Sum and Difference Identities · Exercise 26 | Medium | |
| 107354 | Sum and Difference Identities · Exercise 27 | Medium | |
| 107355 | Sum and Difference Identities · Exercise 28 | Medium | |
| 107356 | Sum and Difference Identities · Exercise 29 | Medium | |
| 107357 | Sum and Difference Identities · Exercise 30 | Medium | |
| 107358 | Sum and Difference Identities · Exercise 31 | Medium | |
| 107359 | Sum and Difference Identities · Exercise 32 | Medium | |
| 107360 | Sum and Difference Identities · Exercise 42 | Medium | |
| 107362 | Sum and Difference Identities · Exercise 44 | Medium | |
| 107364 | Sum and Difference Identities · Exercise 46 | Medium | |
| 107372 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 10 | Medium | |
| 107373 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 22 | Medium | |
| 107374 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 28 | Medium | |
| 107376 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 30 | Medium | |
| 107377 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 34 | Medium | |
| 107379 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 36 | Medium | |
| 107382 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 54 | Medium | |
| 107388 | Sum-to-Product and Product-to-Sum Formulas · Exercise 18 | Medium | |
| 107390 | Sum-to-Product and Product-to-Sum Formulas · Exercise 20 | Medium | |
| 107393 | Sum-to-Product and Product-to-Sum Formulas · Exercise 40 | Medium | |
| 107395 | Sum-to-Product and Product-to-Sum Formulas · Exercise 42 | Medium | |
| 107397 | Sum-to-Product and Product-to-Sum Formulas · Exercise 44 | Medium | |
| 107399 | Sum-to-Product and Product-to-Sum Formulas · Exercise 46 | Medium | |
| 107401 | Sum-to-Product and Product-to-Sum Formulas · Exercise 48 | Medium | |