Sinus- und Kosinus hyperbolicus
Author: Prof. Dr. Dörte Haftendorn

f(x) = x
g(x) = -1.0 * x
P = Point(c)
M = Point(yAxis)
a = Line(M, P)
a' = Mirror(a, xAxis)
P' = Mirror(P, xAxis)
T: (x(P), 0.0)
S = (1, 0)
h(x) = sqrt(x^(2.0) - 1.0)
b = Integral(h, x(S), x(T))
hh(x) = -1.0 * h(x)
d = Integral(hh, x(S), x(T))
Vieleck1, p, m, p' = Polygon(M, P', P)
ch(x) = (exp(x) + exp(-1.0 * x)) / 2.0
pf: Vieleck1 - 2.0 * b
Text1: "Pfeilfläche = " + pf
Text2: "cosh(Pfeilfläche) = " + (cosh(pf))
Text3: "x(P)=strecke(MT) = " + (x(T))
t = Segment(M, T)
y_t = Segment(P, T)
Text4: "sinh(Pfeilfläche) = " + (sinh(pf))
Text5: "y(P)=y_t=Strecke(TP)= " + y_t