三角函数圆的动态演示

GeoGebra 命令及参数

1. Point(q) → N
2. Intersect(xAxis, yAxis) → A_1
3. Circle(A_1, B_1) → c
4. Segment(A_1, C_2) → a
5. Segment(B_1, A_1) → b
6. Angle(B_1, A_1, C_2) → α
7. OrthogonalLine(C_2, yAxis) → d
8. Intersect(d, yAxis) → D
9. CircleArc(A_1, B_1, C_2) → e
10. Vector(C_2, D) → u
11. Vector(E, F) → v
12. Segment(D, A_1) → h
13. Segment(H, B_1) → i
14. Vector(t, C_2) → w
15. OrthogonalLine(C_2, b) → j
16. Intersect(j, i) → I
17. Vector(C_2, I) → z
18. Vector(I, J) → k
19. Vector(E, K) → l
20. Vector(L, K) → n
21. Vector(M, C_2) → p
22. Vector(N, t) → r
23. Vector(N, E) → s
24. Sequence(w, w, -6.283185307179586, 6.283185307179586, 0.5235987755982988) → pis
25. Zip((-2.5, p), p, pis) → list1
26. Zip((-1.5, p), p, pis) → list2
27. Vector(O, M) → u_1
28. Vector(O, L) → v_1
29. Vector(L, F) → w_1
30. Segment(O, N) → a_1
31. Segment(E, L) → b_1
32. Segment(M, t) → c_1
33. Dilate(e, A, A_1) → e'
34. Dilate(c, A, A_1) → c'
35. Dilate(C_2, A, A_1) → C'
36. Dilate(I, A, A_1) → I'
37. Dilate(D, A, A_1) → D'
38. Vector(C', D') → m
39. Vector(C', I') → d_1
40. Segment(C', C_2) → f_1
41. Vector(F, Q) → e_1
42. Vector(K, P) → h_1
43. Dilate(H, A, A_1) → H'
44. Dilate(B_1, A, A_1) → R
45. Segment(H', R) → i'
46. Dilate(J, A, A_1) → J'
47. Vector(I', J') → i_1
48. CircleArc(A_1, C_2, B_1) → k_1
49. Dilate(k_1, A, A_1) → p_1