P

$\vec{b}$

$\vec{b_0}$

O: (0, 0)
B = (3, 4)
b = Vector(O, B)
m: abs(b)
n = Line(O, B)
Text1: "\vec{b} = \left( \begin{array}{c} " + (LaTeX[x(b)]) + " \\ " + (LaTeX[y(b)]) + " \end{array} \right)"
a: abs(b)
Text2: "|\vec{b}| = " + (LaTeX[m]) + ""
b0: b / abs(b)
c: abs(b0)
Text4: "|\vec{b_0}| = " + (LaTeX[c]) + ""
Text3: "\vec{b_0} = \dfrac{1}{|\vec{b}|} \cdot \vec{b} = \left( \begin{array}{c} " + (LaTeX[x(b0)]) + " \\ " + (LaTeX[y(b0)]) + " \end{array} \right)"
u = Vector(O, (x(b0), y(b0)))
d = Circle(O, 1)