$\vec{u}$

$\vec{v}$

$\vec{u}$

$\vec{v}$

P: (8, 4, 0)
u: (-2, 0, 3)
P1: P + u
g = Line(P, P1)
Q: (4, 8, 0)
v: (0, -2, 3)
Q1: Q + v
h = Line(Q, Q1)
w = Vector(P, P1)
a = Vector(Q, Q1)
S: (4, 4, 6)
α = Angle(h, g)
S1: S + u
S2: S + v
b = Vector(S, S1)
c = Vector(S, S2)