A = Intersect(xAxis, yAxis)
B = (6, 3)
u = Vector(A, B)
C = (2, 4)
v = Vector(A, C)
α = Angle(u, v)
szöveg1: "I.)   " + (LaTeX[x(u)]) + "·" + (LaTeX[x(v)]) + "+" + (LaTeX[y(u)]) + "·" + (LaTeX[y(v)]) + "=" + (LaTeX[(x(u) * x(v)) + (y(u) * y(v))]) + ""
szöveg2: "II.) |\vec{u}| = \sqrt{" + (LaTeX[x(u)]) + "^{2}+" + (LaTeX[y(u)]) + "^{2}}=\sqrt{" + (LaTeX[(x(u) * x(u))]) + "+" + (LaTeX[(y(u) * y(u))]) + "}=\sqrt{" + (LaTeX[(x(u) * x(u)) + (y(u) * y(u))]) + "}"
szöveg3: "III.) |\vec{v}| = \sqrt{" + (LaTeX[x(v)]) + "^{2}+" + (LaTeX[y(v)]) + "^{2}}=\sqrt{" + (LaTeX[(x(v) * x(v))]) + "+" + (LaTeX[(y(v) * y(v))]) + "}=\sqrt{" + (LaTeX[(x(v) * x(v)) + (y(v) * y(v))]) + "}"