| 439 | 438th LS(250218) Trigonometry Graph (PDF 563) | Jp Park  | 2025-02-19 | 1 |
| 438 | 437th LS(250212) Trigonometry Identity (PDF 459) | Jp Park | 2025-02-12 | 1 |
| 437 | 436th LS(250204) limit | Jp Park | 2025-02-05 | 0 |
| 436 | 435th LS(250121) Polynomial, factoring (Cohen PDF319 #31) | Jp Park | 2025-01-22 | 2 |
| 435 | 434th LS(250120) Polynomial, factoring | Jp Park | 2025-01-21 | 0 |
| 434 | 433th LS(250114) Additional Trigonometry Topic (PDF 676 #499.. | Jp Park | 2025-01-15 | 2 |
| 433 | 432th LS(250107) Inverse Trigonometry Graph (PDF 653) | Jp Park | 2025-01-08 | 1 |
| 432 | 431th LS(250105) Trigonometry Equations (PDF 638 #78) | Jp Park | 2025-01-06 | 1 |
| 431 | 430th LS(250103) Double angle Formula (PDF 620) | Jp Park | 2025-01-04 | 6 |
| 430 | 429th LS(241217) Final Review | Jp Park | 2024-12-18 | 1 |
| 429 | 428th LS(241210) Trigonometry Addition Formula (PDF 605) | Jp Park | 2024-12-11 | 2 |
| 428 | 427th LS(241203) Trigonometry Application (PDF 582) | Jp Park | 2024-12-04 | 0 |
| 427 | 426th LS(241130) Trigonometry Function Graph (PDF 543) | Jp Park | 2024-12-01 | 0 |
| 426 | 425th LS(241129) Radian Measure (PDF 481) | Jp Park | 2024-11-30 | 0 |
| 425 | 424th LS(241126) Trigonometry Identity (PDF 464) | Jp Park | 2024-11-27 | 0 |
| 424 | 423th LS(241125) Trigonometry (PDF 437) | Jp Park | 2024-11-26 | 2 |
| 423 | 422th LS(241119) Log Equation (PDF 380) | Jp Park | 2024-11-20 | 1 |
| 422 | 421th LS(241116) Log Function (PDF 359) | Jp Park | 2024-11-17 | 1 |
| 421 | 420th LS(241112) Exponential Function (PDF 419) | Jp Park | 2024-11-13 | 1 |
| 420 | 419th LS(241105) 시험대비 Review | Jp Park | 2024-11-06 | 2 |
