| 15 | 15th LS(210410) Exponential functions (PDF 51) | Jp Park  | 2021-04-10 | 0 |
| 14 | 14th LS(210327) 1.E Compound Angle Identities (PDF 36) | Jp Park | 2021-03-27 | 0 |
| 13 | 13th LS(210313) Ch1 Futher Trigonometry (PDF 19) | Jp Park | 2021-03-13 | 0 |
| 12 | 12th LS(210306) Ch17.E Fitting Trigonometric Models to Data .. | Jp Park | 2021-03-06 | 1 |
| 11 | 11th LS(210227) Ch16.B Stretching (PDF 432) | Jp Park | 2021-02-27 | 0 |
| 10 | 10th LS(210217) Ch13.B Choosing the Appropriate Measure (PDF.. | Jp Park | 2021-02-17 | 1 |
| 9 | 9th LS(210215) Ch11.K Bayes' Theorem (PDF 284) | Jp Park | 2021-02-15 | 1 |
| 8 | 8th LS(210210) Ch11. Probability (PDF 261) | Jp Park | 2021-02-10 | 0 |
| 7 | 7th LS(210208) Ch10. Point in Space (PDF 239) | Jp Park | 2021-02-09 | 0 |
| 6 | 6th LS(210203) Ch9. Cosine Rule (PDF 217) | Jp Park | 2021-02-03 | 0 |
| 5 | 5th LS(210201) Ch8.D Multiple of pi/6 or pi/4 (PDF 198) | Jp Park | 2021-02-01 | 1 |
| 4 | 4th LS(210127) Ch7.E True Bearing (PDF 175) | Jp Park | 2021-01-27 | 0 |
| 3 | 3rd LS(210125) Ch7. Right Angled Triangle Trigonometry (PDF.. | Jp Park | 2021-01-25 | 0 |
| 2 | 2nd LS(210120) Ch5. Sequences and Series(PDF 131) | Jp Park | 2021-01-20 | 0 |
| 1 | 1st LS(2110118) Ch5. Sequences and Series(PDF 102) | Jp Park | 2021-01-18 | 0 |
