a = 2 (slider from 0 to 10, step 0.1)
b = 1.8 (slider from 0 to 10, step 0.1)
c = CurveCartesian((a * sec(α)), (b * tan(α)), α, -1.5707963267948966, 4.71238898038469)
d: y = (b / a * x)
e: y = (((-b)) / a * x)
f: x = a
g: x = (-a)
h: y = b
i: y = (-b)
V_1: (a, 0)
V_2: ((-a), 0)
F_1: (sqrt(a^(2) + b^(2)), 0)
F_2: ((-sqrt(a^(2) + b^(2))), 0)