f(x) = sin(x)
c = 0.1 (slider from 0 to (2 * π), step 0.1)
g(x) = sin(c - x)
h(x) = (f(x) * g(x))
a = Integral(h, 0, (2 * π))
P: (c, a)
Ortslinie1 = Locus(P, c)
p(x) = ((-π) * cos(x))
Q: (c, 0)
i = Segment(Q, P)