| 103883 | Sum and Difference Identities · Exercise 6 | Medium | |
| 103885 | Sum and Difference Identities · Exercise 8 | Medium | |
| 103887 | Sum and Difference Identities · Exercise 10 | Medium | |
| 103889 | Sum and Difference Identities · Exercise 12 | Medium | |
| 103891 | Sum and Difference Identities · Exercise 14 | Medium | |
| 103893 | Sum and Difference Identities · Exercise 16 | Medium | |
| 103895 | Sum and Difference Identities · Exercise 18 | Medium | |
| 103897 | Sum and Difference Identities · Exercise 20 | Medium | |
| 103899 | Sum and Difference Identities · Exercise 22 | Medium | |
| 103901 | Sum and Difference Identities · Exercise 24 | Medium | |
| 103902 | Sum and Difference Identities · Exercise 25 | Medium | |
| 103903 | Sum and Difference Identities · Exercise 26 | Medium | |
| 103904 | Sum and Difference Identities · Exercise 27 | Medium | |
| 103905 | Sum and Difference Identities · Exercise 28 | Medium | |
| 103906 | Sum and Difference Identities · Exercise 29 | Medium | |
| 103907 | Sum and Difference Identities · Exercise 30 | Medium | |
| 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 | |
| 103925 | Sum and Difference Identities · Exercise 48 | Deep | |
| 103927 | Sum and Difference Identities · Exercise 50 | Deep | |
| 103929 | Sum and Difference Identities · Exercise 52 | Deep | |
| 103930 | Sum and Difference Identities · Exercise 54 | Deep | |
| 103932 | Sum and Difference Identities · Exercise 56 | Deep | |
| 103933 | Using a Double-Angle Formula to Find the Exact Value Involving Tangent | Easy | |
| 103944 | Finding Exact Values Using Half-Angle Identities | Easy | |
| 103946 | Finding the Measurement of a Half Angle | Easy | |
| 103948 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 2 | Easy | |
| 103950 | Double-Angle, Half-Angle, and Reduction Formulas · Exercise 4 | Easy | |
| 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 | |