| 21 | 19th LS(190721) Exponential, Logarithmic Function and Its Ap.. | jp Park  | 2019-07-21 | 2 |
| 22 | 20th LS(190723) Questions about sinusoidal function+logarith.. | jp Park | 2019-07-24 | 1 |
| 23 | 21th LS(190727) Fundamentals(P74까지) | jp Park | 2019-07-28 | 1 |
| 24 | 22th LS(190729) Fundamentals(Inequality, Line, Circle...)(P1.. | jp Park | 2019-07-30 | 1 |
| 25 | 23th LS(190730) Function definition, Graph, Composition(P19.. | jp Park | 2019-07-31 | 1 |
| 26 | 24th LS(190731) Inverse Function, Quadratic Modeling, Polyno.. | jp Park | 2019-08-01 | 2 |
| 27 | 25th LS(190801) Real Zeros of Polynomials+Synthetic division.. | jp Park | 2019-08-02 | 1 |
| 28 | 26th LS(190802) Complex Numbers+Rational Functions+Exponenti.. | jp Park | 2019-08-03 | 2 |
| 29 | 27th LS(190806) Exponential and Log Functions and Its Applic.. | jp Park | 2019-08-06 | 1 |
| 30 | 28th LS(190806) Exponential and Log Functions and Its Applic.. | jp Park | 2019-08-07 | 2 |
| 31 | 29th LS(190807) Trigonometry Funtion Graph(P426까지) | jp Park | 2019-08-08 | 20 |
| 32 | 30th LS(190808) Right Triangle Approach+sin and cosine laws(.. | jp Park | 2019-08-09 | 2 |
| 33 | 31th LS(190811) Heading and Bearing+Heron's Formula+Identity.. | jp Park | 2019-08-11 | 3 |
| 34 | 32th LS(190812) 과제풀이+Double, Half Angle+Product Sum Formulas.. | jp Park | 2019-08-13 | 1 |
| 35 | 33th LS(190813) 과제풀이+Equations +PolarCoordinates (P544까지) | jp Park | 2019-08-14 | 5 |
| 36 | 34th LS(190814) 과제풀이+Polar Graph+Complex Number (P559까지) | jp Park | 2019-08-15 | 1 |
| 37 | 35th LS(190815) nth root of Complex Number+Parametric Equati.. | jp Park | 2019-08-16 | 2 |
| 38 | 36th LS(190818) 과제질의+Vector component+Dot Producrt(P590까지) | jp Park | 2019-08-19 | 2 |
| 39 | 37th LS(190819) 과제질의+Dot Producrt+3 Dimensional Coordinate(P.. | jp Park | 2019-08-20 | 1 |
| 40 | 38th Lesson(2019/08/20) 과제질의+3 Dimensional Coordinate+Cross.. | jp Park | 2019-08-21 | 1 |
