正弦与余弦函数图像绘制（仅振幅与垂直平移）

GeoGebra 命令及参数

1. Sequence(i, i, -10, 10, 1) → dlist, {-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
2. RandomElement(dlist) → d
3. Sequence(i, i, 1, 10, 1) → L_2, {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
4. Sequence(i, i, -10, -1, 1) → L_1, {-10, -9, -8, -7, -6, -5, -4, -3, -2, -1}
5. Union(L_1, L_2) → L_3
6. RandomElement(L_3) → a
7. Point(x = 0) → A
8. Point(x = π / 2) → B
9. Point(x = π) → C
10. Point(x = (2 * π)) → E
11. Point(x = (3 * π / 2)) → D
12. FitSin({A, B, C, D, E}) → p
13. Random(1, 2) → n