T354

f: y = x^(3) - (2 * x^(2)) + x - 1
teksti1 = LaTeX(f, true, true)
P_1: (0, -1)
P_2: (4 / 3, -23 / 27)
g = Tangent(P_1, f)
h = Tangent(P_2, f)
A = Point(xAxis)
B = Point(h)
C = Point(g)
D = Intersect(g, xAxis)
E = Intersect(h, xAxis)
α = Angle(A, E, B)
β = Angle(A, D, C)