单位圆与反三角函数图像

GeoGebra 命令及参数

1. Line(A, xAxis) → a
2. Point(a) → B_1
3. Segment(A, B_1) → b
4. Intersect(xAxis, yAxis) → D
5. Circle(A, b) → c
6. Point(c) → C
7. Segment(A, C) → d
8. Angle(B_1, A, C) → α
9. Point(Circle[D, α]) → E
10. Segment(D, E) → e
11. OrthogonalLine(C, b) → h_1
12. Intersect(h_1, a) → F
13. Segment(C, F) → Sine
14. Intersect(c, a, 2) → G
15. Segment(G, A) → i
16. Segment(A, F) → Cosine
17. OrthogonalLine(C, d) → j
18. Intersect(a, j) → H
19. Segment(C, H) → Tangent
20. Segment(B_1, H) → k_1
21. OrthogonalLine(E, xAxis) → l
22. Intersect(g, l, (0.6775728175269462, 0.782731011348612)) → I
23. Intersect(f, l, (0.6775728175269462, 0.6298282915862481)) → J
24. Intersect(n, l, (0.6775728175269462, 0.8084084484644634)) → K
25. Segment(J, E) → q
26. Segment(I, E) → r
27. Segment(K, E) → p
28. Intersect(f_1, l, (0.6775728175269462, 1.6025820473500487)) → L
29. Intersect(g_1, l, (0.6775728175269462, 1.289525390427809)) → M
30. Intersect(n_1, l, (0.6775728175269462, 1.2485662599475453)) → N
31. OrthogonalLine(C, d) → a_1
32. OrthogonalLine(A, i) → b_1
33. Intersect(a_1, b_1) → O
34. Segment(O, C) → Cotangent
35. OrthogonalLine(N, xAxis) → c_1
36. Intersect(c_1, xAxis) → P
37. Segment(N, P) → d_1
38. Line(A, B_1) → s
39. OrthogonalLine(C, d) → e_1
40. Intersect(s, e_1) → Q
41. Segment(C, Q) → i_1
42. Segment(A, Q) → Secant
43. OrthogonalLine(M, xAxis) → j_1
44. Intersect(j_1, xAxis) → R
45. Segment(M, R) → l_1
46. OrthogonalLine(A, i) → m_1
47. OrthogonalLine(C, d) → p_1
48. Intersect(m_1, p_1) → S
49. Segment(S, A) → Cosecant
50. OrthogonalLine(L, xAxis) → q_1
51. Intersect(q_1, xAxis) → T
52. Segment(L, T) → r_1
53. Intersect(c, b, 1) → U