三角函数单位圆特殊角坐标

GeoGebra 命令及参数

1. Circle((0, 0), L) → c
2. Intersect(xAxis, yAxis) → A
3. Intersect(c, xAxis, 2) → B
4. Rotate(L, π / 6, A) → C
5. Rotate(L, π / 4, A) → D
6. Rotate(L, π / 3, A) → E
7. Mirror(C, yAxis) → C'
8. Mirror(D, yAxis) → D'
9. Mirror(E, yAxis) → E'
10. Mirror(E', xAxis) → E''
11. Mirror(D', xAxis) → D''
12. Mirror(C', xAxis) → C''
13. Mirror(C, xAxis) → C'_{1}
14. Mirror(D, xAxis) → D'_{1}
15. Mirror(E, xAxis) → E'_{1}
16. Intersect(c, xAxis, 1) → G
17. Intersect(c, yAxis, 1) → H
18. If(a ≟ 1, B, a ≟ 6, E', a ≟ 7, D', a ≟ 8, C', a ≟ 9, G, a ≟ 10, C'', a ≟ 2, a ≟ 11, D'', a ≟ 12, E'', a ≟ 13, H, a ≟ 14, E'_{1}, a ≟ 15, D'_{1}, C, a ≟ 16, C'_{1}, a ≟ 3, D, a ≟ 4, E, a ≟ 5, F) → P
19. Intersect(eq1, xAxis) → I
20. Polygon(A, I, P) → t1, p, a_1, i
21. Segment(A, P) → f
22. Angle(P, I, A) → α
23. Midpoint(A, P) → J
24. Segment(A, P) → j
25. Segment(A, I) → k
26. Segment(I, P) → l
27. Angle(I, A, P) → β
28. Vector(A, I) → u
29. SurdText(x(I)) → text3
30. SurdText(y(P)) → text4
31. Vector(I, P) → v
32. Angle(B, A, P) → γ
33. Textfield(q) → InputBox1
34. Textfield(r) → InputBox2
35. Textfield(b) → InputBox3
36. Textfield(d) → InputBox4
37. Textfield(e) → InputBox5
38. Textfield(g) → InputBox6
39. Textfield(h) → InputBox7
40. Textfield(m) → InputBox8
41. Textfield(n) → InputBox9
42. Textfield(o) → InputBox10
43. Textfield(s) → InputBox11
44. Intersect(j, xAxis) → K
45. Point(yAxis) → M
46. CircleArc((0, 0), (2, 0), (0, 2)) → t
47. If(c1, "√", "x") → text1
48. If(c2, "√", "x") → text2
49. If(c3, "√", "x") → text5
50. If(c4, "√", "x") → text6
51. If(c5, "√", "x") → text7
52. Point(t) → N
53. Segment((0, 0), N) → f_1
54. Segment((0, 0), (2, 0)) → g_1
55. Segment((0, 0), (0, 2)) → h_1