| 12 | 10th LS(191122) Compund Angle Identities 연습문제(P37)  | jp Park  | 2019-11-22 | 0 |
| 11 | 9th LS(191119) Compund Angle Identities(P35) | jp Park | 2019-11-19 | 0 |
| 10 | 8th LS(191115) trigonometry ftn and graph | jp Park | 2019-11-15 | 1 |
| 9 | 7th LS(191108) 시험대비 복습 | jp Park | 2019-11-08 | 0 |
| 8 | 6th LS(191104) 지수, 로그, 극한 질의응답 | jp Park | 2019-11-05 | 0 |
| 7 | 5th LS(191101) Statistics and Probability | jp Park | 2019-11-01 | 1 |
| 6 | 4th LS(191028) Statistics and Probability(P281) | jp Park | 2019-10-29 | 0 |
| 5 | 3rd LS(191025) Vector Dot Product(P381) | jp Park | 2019-10-25 | 0 |
| 4 | 2nd LS(191021) trigonometry rules+geometry(line) | jp Park | 2019-10-22 | 0 |
| 3 | 1st LS(191018) Right angled triangle trig and Pythagoras+Non.. | jp Park | 2019-10-18 | 1 |
| 2 | Demo LS2(191014) Trigonometry Function(P459) | jp Park | 2019-10-15 | 0 |
| 1 | Demo LS 1(191012) Function Transformation | jp Park | 2019-10-12 | 2 |
