三角函数与根号

GeoGebra 命令及参数

1. Textfield(a) → inputBox1
2. Textfield(b) → inputBox2
3. Textfield(c) → inputBox3
4. Textfield(d) → inputBox4
5. If(b > 0, ((a * sqrt(b)), 0), (a, 0)) → A
6. If(d > 0, (0, (c * sqrt(d))), (0, c)) → B
7. Segment(O, A) → e
8. Segment(O, B) → f
9. SurdText((a * sqrt(b))) → text1
10. SurdText((c * sqrt(d))) → text2
11. Segment(A, B) → g
12. Midpoint(e) → C
13. Midpoint(f) → D
14. Midpoint(g) → E
15. SurdText(g) → text3
16. SurdText(f / g) → text4
17. SurdText(e / g) → text5
18. SurdText(f / e) → text6
19. SurdText(g / f) → text7
20. SurdText(g / e) → text8
21. SurdText(e / f) → text9