1. Precalculus 과목 OT영상 3분

2. [1강] Chapter1. Functions 76분

3. [2강] Chapter2. Polynomials and Rational Function 50분

4. [3강] Chapter2. Polynomials and Rational Function 55분

5. [4강] Chapter3. Exponential and Logarithm 65분

6. [5강] Chapter3. Exponential and Logarithm 57분

7. [6강] Chapter4. Trigonometry definition & Graphs 66분

8. [7강] Chapter4. Trig in unit circle, Graphs of Trig Functions 73분

9. [8강] Chapter 5. Inverse Trig Functions, Basic Identity for Trig 57분

10. [9강] Chapter 5. Verifying ,Sum & Difference Identity , Double angle, Half Angle ,etc 41분

11. [10강] Chapter 6. Trig Equations , Law of Sine and Cosine 54분

12. [11강] Chapter 4,5,6 Review 57분

13. [12강] Chapter 7. Polar Coordinate ,Graph of Polar 46분

14. [13강] Chapter 7. Complex Number, De’Moivre,Parametric Equation 52분

15. [14강] Chapter 8. Vector Basic, Dot Product 58분

16. [15강] Chapter8. 3D Coordinate, 3D Vector, Cross products 56분

17. [16강] Chapter 9. Conic Sections- Parabola and Ellipse 52분

18. [17강] Chapter 9. Hyperbola , Transformation, Rotation of Conic 65분

19. [18강] Chapter 10. Systems and Matrices, Partial Fraction 64분

20. [19강] Chapter 11. Sequences and Series 45분