三角函数定义 by Martin Flashman

GeoGebra 命令及参数

1. Sequence(t, t, -3, 3, 1 / n) → seq
2. Element(afun, Example) → f
3. Point(yAxis) → A
4. Vector(A, f_A) → u
5. Textfield(f) → inputBox1
6. Vector(A, g_A) → v
7. Element(fun_1, Example) → f_1
8. Zip((4, f_1(f(k))), k, seq) → list8
9. Zip((2, f(k)), k, seq) → list3
10. Zip(Vector[A, j], A, list3, j, list8) → list9
11. Sequence((2, k), k, -1.5708, 3.241592653589793, 0.2618) → list5
12. Vector(f_A, A') → w
13. Zip(Vector[(0, k), (2, f(k))], k, seq) → list1
14. Zip((0, k), k, seq) → list2
15. Zip((k, f(k)), k, seq) → list4