球坐标系 by Lenore Horner

GeoGebra 命令及参数

1. Segment((0, 0, 0), A) → ρ
2. Angle(A, B, C) → ϕ
3. Segment(B, C) → a
4. Segment(C, A) → b
5. Translate(C, Vector[(-Vector[C])]) → C'
6. Translate(A, Vector[(-Vector[C])]) → A'
7. Segment(C', A') → b'
8. Angle(D, C, A) → θ
9. Segment(C, D) → c
10. Segment(D, A) → d
11. Segment(B, (x(A), 0, 0)) → f
12. Segment((x(A), 0, 0), (x(A), y(A), 0)) → g