三角函数应用题：行星半径与卫星视角距离

GeoGebra 命令及参数

1. Textfield(d) → CasillaDeEntrada1
2. Textfield(aV) → CasillaDeEntrada2
3. Circle(A, rP) → c
4. Circle(A, rP + d) → e
5. Textfield(aR) → CasillaDeEntrada3
6. Rotate(B, aR, A) → B'
7. Rotate(C, aR, A) → C'
8. Segment(A, B') → f
9. Segment(A, C') → g
10. Intersect(c, f) → D,
11. Intersect(c, g) → E,
12. Segment(A, D) → i
13. Segment(B', D) → j
14. Segment(E, C') → k
15. Segment(A, E) → l
16. Angle(E, A, D) → α
17. Length(g) → xmax
18. Segment(D, C') → h
19. Angle(A, D, C') → β
20. Angle(D, C', A) → γ