f(x)=x^3-\frac{3}{4}x-\frac{1}{8}

Winkel\; 60^o\;dritteln

https://www.geogebra.org/haftendorn
Haftendorn, Buch (Springer):
Kurven erkunden und verstehen
Kap 6.6.1.1: S. 177
www.kurven-erkunden-und-verstehen.de

Ha 2016

c: y = x^(2)
q: -1 / 8
p: -0.75
a: ((-q)) / 2
b: ((-p) + 1) / 2
M: (a, b)
O = (0, 0)
d = Circle(M, O)
f(x) = x^(3) + (p * x) + q
M_p: (0, b)
j = Segment(M, M_p)
E: (0, 1)
M_q: (a, 0)
k = Segment(M, M_q)
P: (0, (-p))
Q: ((-q), 0)
A, B_1, C, B = Intersect(d, c)
C': (x(C), 0)
B': (x(B), 0)
A': (x(A), 0)
g = Segment(C, C')
h = Segment(B, B')
i = Segment(A, A')
Text2: "B'=" + B' + ""
e: cos(20°)
Text3: "\cos(20^o)=" + (LaTeX[e]) + ""
l = false