A = Intersect(xAxis, yAxis)
B = (3, 4)
u = Vector(A, B)
C = (2, 0)
v = Vector(A, C)
θ = Angle(C, A, B)
tekst1: "|u|=\sqrt{" + (x(B) - x(A)) + "^2+" + (y(B) - y(A)) + "^2}=" + (sqrt((x(B) - x(A))^(2) + (y(B) - y(A))^(2)))
tekst2: "|v|=\sqrt{" + (x(C) - x(A)) + "^2+" + (y(C) - y(A)) + "^2}=" + (sqrt((x(C) - x(A))^(2) + (y(C) - y(A))^(2)))
tekst3: "u \cdot v=" + (x(B) - x(A)) + "\cdot" + (x(C) - x(A)) + "+" + (y(B) - y(A)) + "\cdot" + (y(C) - y(A)) + "=" + (((x(B) - x(A)) * (x(C) - x(A))) + ((y(B) - y(A)) * (y(C) - y(A))))
tekst4: "\theta = cos^{-1}\left( \frac{u\cdot{v}}{|u||v|} \right)=" + θ