三角函数图像 by Sébastien Vieilhescazes

GeoGebra 命令及参数

1. Point(xAxis) → A
2. Point(xAxis) → B
3. Circle(A, B) → c
4. Point(c) → C
5. Segment(A, C) → a
6. Angle(B, A, C) → α
7. Segment(A, B) → b
8. Intersect(xAxis, yAxis) → D
9. Point(xAxis) → E
10. Segment(D, E) → d
11. Point(xAxis) → F
12. Point(xAxis) → G
13. Segment(F, G) → e
14. Point(xAxis) → H
15. Segment(H, G) → f
16. Segment(E, F) → g
17. Point(xAxis) → I
18. Segment(D, I) → h
19. Point(xAxis) → J
20. Segment(I, J) → i
21. Point(xAxis) → K
22. Segment(J, K) → j
23. Point(xAxis) → L
24. Segment(K, L) → k
25. OrthogonalLine(A, xAxis) → l
26. OrthogonalLine(B, xAxis) → m
27. Line(A, B) → n
28. Intersect(c, l, 2) → U
29. Intersect(c, n, 2) → V
30. Intersect(c, l, 1) → W
31. OrthogonalLine(C, n) → p
32. OrthogonalLine(C, l) → q
33. Line(A, C) → r
34. Intersect(l, q) → Z
35. Segment(C, Z) → s
36. Intersect(n, p) → A_1
37. Segment(C, A_1) → t
38. Intersect(m, r) → B_1
39. Segment(A, B_1) → a_1
40. Circle(A, A_1) → c_1
41. Intersect(c_1, l, 2) → C_1
42. OrthogonalLine(C_1, l) → b_1
43. OrthogonalLine(B_1, m) → d_1
44. Line(N, P) → e_1
45. OrthogonalLine(M, d) → f_1