从圆出发绘制三角函数的基本图像

GeoGebra 命令及参数

1. Circle(B, a) → c
2. Point(c) → C
3. Point(c) → Drag
4. Angle(C, B, Drag) → β
5. Rotate(C, (β * ω) - (h * 3.141592653589793), B) → Plotting
6. Angle(C, B, Drag) → α
7. Segment(D, E) → a_1
8. Segment(B, Drag) → g
9. Segment((x(Plotting), k), Plotting) → b
10. Segment((α, k), F) → e
11. Slope(Line[B, Plotting]) → m
12. Line(B, Plotting) → n
13. Segment((α, k), (α, m + k)) → f
14. Segment(B, A) → d