几何作图与三角函数演示

GeoGebra 命令及参数

1. Circle(B, m) → d
2. Circle(A, 1) → c
3. Tangent(A, d) → f, g
4. Angle(f, g) → CAD
5. Circle(W, s) → e
6. Rotate(C_{1}, γ', B) → C
7. Angle(C_{1}, B, C) → γ''''
8. Rotate(D_{1}, γ', W) → D_{1}'
9. Angle(D_{1}, W, D_{1}') → δ
10. Line(C, D_{1}') → MS'_g
11. Line(D, F''') → MS_g
12. Segment(C, D) → j
13. Rotate(G, HBK / 2, B) → H
14. Angle(G, B, H) → ε_{1}
15. Rotate(G, (-(HBK / 2)), B) → K
16. Angle(K, B, G) → ζ
17. Segment(H, B) → k
18. Segment(B, K) → l
19. Intersect(d, g) → C_{2}
20. Intersect(d, f) → D_{2}
21. Angle(K, B, H) → HBK_{2}
22. Angle(D_{2}, B, F) → DBF
23. Angle(MS_g, MS'_g) → t_g
24. Intersect(MS'_g, MS_g) → T_g
25. Segment(B, T_g) → L
26. Tangent(A, e) → q, p
27. Angle(q, p) → SAS
28. Angle(W, A, B) → ε
29. Tangent(T_{a}, d) → MS_a, MS'_a
30. Angle(MS_a, MS'_a) → CAD_a
31. Segment(T_{a}, W) → b
32. Circle(W, o) → Sun
33. Segment(B, W) → BW
34. Segment(A, W) → AW
35. Angle(A, B, W) → α_{1}
36. Angle(MS_a, MS'_a) → t_a
37. Angle(D, B, G) → γ
38. Angle(B, A, D) → α
39. Angle(A, B, D) → γ'''''
40. Angle(A, B, K) → θ
41. Intersect(d, MS_a) → E
42. Angle(H, A, K) → KAH