三角函数比值 by np2cmath

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Circle(A, B) → c
3. Point(c) → D
4. DynamicCoordinates(D, If[Distance[D, I] < z, x(I), If[Distance[D, J] < z, x(J), If[Distance[D, K] < z, x(K), x(D)]]], If[Distance[D, I] < z, y(I), If[Distance[D, J] < z, y(J), If[Distance[D, K] < z, y(K), y(D)]]]) → C
5. Segment(A, C) → a
6. Angle(xAxis, a) → Θ
7. Segment(C, E) → b
8. Point(xAxis) → G
9. Segment(F, G) → d
10. Angle(a, d) → α
11. Point(d) → H
12. Angle(d, a) → β
13. Angle(a, xAxis) → γ
14. Angle(xAxis, a) → δ
15. Segment(H, E) → e
16. Point(a) → P
17. Point(c) → Q
18. Segment(P, Q) → f
19. Point(e) → S
20. Segment(P, R) → g
21. Segment(R, Q) → h
22. Angle(xAxis, f) → ε
23. Angle(xAxis, f) → ζ
24. Angle(f, xAxis) → η
25. Angle(Q, P, R) → θ
26. Angle(R, P, Q) → ι