| 103908 | Sum and Difference Identities · Exercise 31 | Medium | |
| 103909 | Sum and Difference Identities · Exercise 32 | Medium | |
| 103911 | Sum and Difference Identities · Exercise 34 | Medium | |
| 103913 | Sum and Difference Identities · Exercise 36 | Medium | |
| 103915 | Sum and Difference Identities · Exercise 38 | Medium | |
| 103917 | Sum and Difference Identities · Exercise 40 | Medium | |
| 103919 | Sum and Difference Identities · Exercise 42 | Medium | |
| 103921 | Sum and Difference Identities · Exercise 44 | Medium | |
| 103923 | Sum and Difference Identities · Exercise 46 | Medium | |
| 103952 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 6 | Medium | |
| 103954 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 8 | Medium | |
| 103956 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 10 | Medium | |
| 103958 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 12 | Medium | |
| 103960 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 14 | Medium | |
| 103962 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 16 | Medium | |
| 103964 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 18 | Medium | |
| 103966 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 20 | Medium | |
| 103968 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 22 | Medium | |
| 103970 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 24 | Medium | |
| 103972 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 26 | Medium | |
| 103974 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 28 | Medium | |
| 103976 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 30 | Medium | |
| 103978 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 32 | Medium | |
| 103980 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 34 | Medium | |
| 103982 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 36 | Medium | |
| 103984 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 38 | Medium | |
| 103986 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 40 | Medium | |
| 103988 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 42 | Medium | |
| 103990 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 44 | Medium | |
| 103992 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 46 | Medium | |
| 103994 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 48 | Medium | |
| 103996 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 50 | Medium | |
| 103998 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 52 | Medium | |
| 104000 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 54 | Medium | |
| 104027 | Sum-to-Product and Product-to-Sum Formulas · Exercise 6 | Medium | |
| 104029 | Sum-to-Product and Product-to-Sum Formulas · Exercise 8 | Medium | |
| 104031 | Sum-to-Product and Product-to-Sum Formulas · Exercise 10 | Medium | |
| 104033 | Sum-to-Product and Product-to-Sum Formulas · Exercise 12 | Medium | |
| 104035 | Sum-to-Product and Product-to-Sum Formulas · Exercise 14 | Medium | |
| 104037 | Sum-to-Product and Product-to-Sum Formulas · Exercise 16 | Medium | |
| 104039 | Sum-to-Product and Product-to-Sum Formulas · Exercise 18 | Medium | |
| 104041 | Sum-to-Product and Product-to-Sum Formulas · Exercise 20 | Medium | |
| 104043 | Sum-to-Product and Product-to-Sum Formulas · Exercise 22 | Medium | |
| 104046 | Sum-to-Product and Product-to-Sum Formulas · Exercise 26 | Medium | |
| 104048 | Sum-to-Product and Product-to-Sum Formulas · Exercise 28 | Medium | |
| 104050 | Sum-to-Product and Product-to-Sum Formulas · Exercise 30 | Medium | |
| 104052 | Sum-to-Product and Product-to-Sum Formulas · Exercise 32 | Medium | |
| 104054 | Sum-to-Product and Product-to-Sum Formulas · Exercise 34 | Medium | |
| 104056 | Sum-to-Product and Product-to-Sum Formulas · Exercise 36 | Medium | |
| 104058 | Sum-to-Product and Product-to-Sum Formulas · Exercise 38 | Medium | |