复数与三角级数

GeoGebra 命令及参数

1. Sequence(((R^(a - 1) * cos(a)), (R^(a - 1) * sin(a))), a, 1, terms) → L_1
2. Sequence(y(L_1(a)), a, 1, terms) → SinValues
3. Sequence(x(L_1(a)), a, 1, terms) → CosValues
4. Sum(SinValues) → SinSum
5. Sum(CosValues) → CosSum
6. Sequence(Segment[(0, y(L_1(a))), (x(L_1(a)), y(L_1(a)))], a, 1, terms) → L_2
7. Sequence(Segment[(x(L_1(a)), 0), (x(L_1(a)), y(L_1(a)))], a, 1, terms) → L_3
8. Sequence(Segment[(0, 0), L_1(a)], a, 1, terms) → L_4