less than or equal to theta less than or equal to≤θ≤
2 pi2π
domain \theta Maximum:
equals=
1.3 51.35
17
Expression 18: 1.3 5 StartRoot, "L" , EndRoot greater than or equal to "r" greater than or equal to .9 5 StartRoot, "L" , EndRoot Add slider for "r"1.35L≥r≥.95L