| 39 | 38th LS(211020) Trigonometry 학교자료 질의 응답 | Jp Park  | 2021-10-20 | 0 |
| 38 | 37th LS(211017) Trigonometry | Jp Park | 2021-10-17 | 0 |
| 37 | 36th LS(211011) 시험대비 질의응답(Trigonometry, Geometry, Binomial) | Jp Park | 2021-10-11 | 0 |
| 36 | 35th LS(211010) 시험대비 질의응답(Trigonometry, Geometry) | Jp Park | 2021-10-10 | 0 |
| 35 | 34th LS(211006) 시험대비 질의응답(Trigonometry, Geometry) | Jp Park | 2021-10-07 | 0 |
| 30 | 29th LS(210916) 학교 기출 자료(Trigonometry) | Jp Park | 2021-09-17 | 0 |
| 29 | 28th LS(210912) 학교 기출 자료(Geometry & Trigonometry) | Jp Park | 2021-09-12 | 0 |
| 27 | 26th LS(210906) 학교 기출 자료(Linearization & Circle) | Jp Park | 2021-09-06 | 0 |
| 23 | 22th LS(210822)Similarity | Jp Park | 2021-08-22 | 0 |
| 21 | 20th LS(210808) 10.1 Basic Proofs in Plane Geometry (PDF 310.. | Jp Park | 2021-08-08 | 0 |
| 17 | 16th LS(210721) Double Angle Formula (PDF 287) | Jp Park | 2021-07-22 | 0 |
| 16 | 15th LS(210714) Trigonometric Identities and Formulae (PDF .. | Jp Park | 2021-07-15 | 0 |
| 13 | 12th LS(210704) 8.8 Trigonometric EQS (PDF 266) | Jp Park | 2021-07-04 | 0 |
| 12 | 11th LS(210627) 8.5 Trigonometric Graph (PDF 257) | Jp Park | 2021-06-27 | 0 |
| 41 | 40th LS(211031) 미분(PDF 343) | Jp Park | 2021-10-31 | 1 |
| 40 | 39th LS(211024) Trigonometry 학교자료 질의 응답 | Jp Park | 2021-10-24 | 1 |
| 34 | 33th LS(211003) 학교 기출 자료(Trigonometry, Geometry) | Jp Park | 2021-10-03 | 1 |
| 28 | 27th LS(210908) 학교 기출 자료(Geometry & Trigonometry) | Jp Park | 2021-09-08 | 1 |
| 26 | 25th LS(210901) 학교 기출 자료 | Jp Park | 2021-09-02 | 1 |
| 25 | 24th LS(210829) 학교자료 질의응답 | Jp Park | 2021-08-29 | 1 |
