共终边角动态演示

GeoGebra 命令及参数

1. CurveCartesian(((a * t) * cos(t)), ((a * t) * sin(t)), t, 0, (6 * π)) → c
2. CurveCartesian(x(A), y(A), w, 0, (6 * π)) → b
3. Segment(B, A) → g
4. Circle(B, g) → d
5. Intersect(d, y = 0) → C, D
6. CircleArc(B, D, A) → e
7. Angle(D, B, A) → α
8. CurveCartesian(((a * t) * cos(t)), ((a * t) * sin(t)), t, 0, w) → h
9. Circle(B, (1.25 * g)) → k
10. Ray(B, A) → l
11. Intersect(k, l, 1) → E
12. Vector(B, E) → u
13. Intersect(k, y = 0) → F, G
14. Vector(B, G) → v_1
15. Mirror(E, y = 0) → E'
16. Vector(B, E') → v
17. Vector(B, H) → q
18. Circle(B, (15 * a)) → r
19. Ray(B, I) → t
20. CurveCartesian(((a * t) * cos(t)), ((a * t) * sin(t)), t, 0, (a_1 * pos)) → b_1
21. CurveCartesian(((a * t) * cos(t)), ((a * t) * sin(t)), t, 0, pos) → c_1
22. CurveCartesian(((a * t) * cos(t)), ((a * t) * sin(t)), t, 0, ((a_1 - 1) * neg)) → d_1
23. Mirror(d_1, y = 0) → e_1
24. Vector(B, J) → p
25. Mirror(L, y = 0) → L'
26. Mirror(M, y = 0) → M'
27. Vector(B, K) → u_1
28. Vector(B, L') → w_1