三角函数与垂心关系的动态演示

GeoGebra 命令及参数

1. Point(yAxis) → a
2. Vector(a, B) → u
3. Segment(C, D) → e
4. Vector(E, F) → v
5. Vector(G, H) → w
6. Segment(f_x, J) → j
7. Sequence(h - π, h + π, π / 6) → x_*
8. Zip((k, f(k)), k, x_*) → list1
9. Zip(Vector[(0, k), (2, f(k))], k, x_*) → list2
10. Zip(Segment[(i, f(i)), ((2 * h) - i, f((2 * h) - i))], i, x_*) → list3
11. Zip(Segment[(i, f(i)), (π - i, f(π - i))], i, x_*) → supl
12. Zip(Vector[(0, t), (1, s(t))], t, x_*) → l1
13. Zip(Vector[(1, s(t)), (2, f(t))], t, x_*) → l2
14. Vector(a, L) → m
15. Vector(L, B) → n
16. Vector(E, M) → q
17. Vector(M, B) → r
18. Vector(C, N) → t
19. Vector(N, O) → u_1