1. Theme 8.1 Angles 33 분

2. Theme 8.2 Trigonometric ratios 19 분

3. Theme 8.3 Trigonometric functions Part 1 35 분

4. Theme 8.3 Trigonometric functions Part 2 39 분

5. Exercise 8.3 Q1~4 31 분

6. Exercise 8.3 Q5~7 27 분

7. Exercise 8.3 Q8~11 30 분

8. Exercise 8.3 Q12~17 36 분

9. Exercise 8.3 Q18~22 33 분

10. Exercise 8.3 Q23~27 32 분

11. Theme 8.4 Trigonometric identities 36 분

12. Exercise 8.4 Q1~5 23 분

13. Theme 8.5 Compound angle identities 31 분

14. Exercise 8.5 Q1~10 32 분

15. Exercise 8.5 Q11~15 28 분

16. Exercise 8.5 Q16~19 29 분

17. Exercise 8.5 Q20~23 33 분

18. Exercise 8.5 Q24~26 26 분

19. Exercise 8.5 Q27~28 28 분

20. Exercise 8.5 Q29~31 32 분

21. Exercise 8.5 Q32~35 41 분

22. Exercise 8.6 Q1~10 39 분

23. Exercise 8.6 Q11~17 31 분

24. Exercise 8.6 Q18~21 34 분

25. Exercise 8.6 Q22~30 34 분

26. Theme 13.1 Vector operations 30 분

27. Theme 13.2 Vector expressions 24 분

28. Exercise 13.2 Q1~4 33 분

29. Exercise 13.2 Q5~8 31 분

30. Theme 13.3 Dot product 27 분

31. Exercise 13.3 Q1~10 30 분

32. Exercise 13.3 Q11~18 33 분

33. Exercise 13.3 Q19~22 18 분

34. Theme 13.4 Cross product 19 분

35. Exercise 13.4 Q1~6 32 분

36. Theme 13.5 Linear vector Part 1 30 분

37. Theme 13.5 Linear vector Part 2 21 분

38. Exercise 13.5 Q1~9 36 분

39. Exercise 13.5 Q10~13 40 분

40. Exercise 13.5 Q14~18 33 분

41. Theme 13.6 Plane vector Part 1 33 분

42. Theme 13.6 Plane vector Part 2 27 분

43. Exercise 13.6 Q1~9 36 분

44. Exercise 13.6 Q10~13 38 분

45. Exercise 13.6 Q14~17 36 분

46. Exercise 13.6 Q18~20 35 분

47. Exercise 13.6 Q21~25 38 분

48. Exercise 13.6 Q26~28 42 분

49. Exercise 13.6 Q29~31 37 분

50. Exercise 13.6 Q32~37 22 분

51. Exercise 13.6 Q38~39 26 분