n等分单位圆作正弦曲线
2020-05-06 13:18
本范例演示了如何通过将单位圆n等分来构造正弦曲线。通过在单位圆上取n个等分点，利用三角函数的定义和几何投影，动态展示正弦函数图像的形成过程。该构造结合了圆、线段和序列等几何对象，直观地揭示了三角函数与单位圆之间的内在联系，适合用于高中数学三角函数和函数图像的教学与探索。
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