三角函数周期性演示

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Point(yAxis) → E
3. Circle(A, B) → c
4. Segment(A, C) → a
5. Segment(B, A) → b
6. Angle(B, A, C) → α
7. OrthogonalLine(C, yAxis) → d
8. Intersect(d, yAxis) → D
9. CircleArc(A, B, C) → e
10. Vector(C, D) → u
11. Vector(E, F) → v
12. Segment(D, A) → h
13. Segment(H, B) → i
14. Vector(t, C) → w
15. OrthogonalLine(C, b) → j
16. Intersect(j, i) → I
17. Vector(C, I) → z
18. Vector(I, J) → k
19. Vector(E, K) → l
20. Vector(L, F) → m
21. Vector(L, K) → n
22. Vector(M, C) → p
23. Segment(t, M) → q
24. Segment(E, L) → r
25. Segment(S, U) → b_1
26. Segment(P, Q) → c_1
27. Segment(R, T) → a_1