\overrightarrow{u}

\overrightarrow{v}

p_{\overrightarrow{u}}(\overrightarrow{v})

\overrightarrow{u}

\overrightarrow{v}

\overrightarrow{v}-p_{\overrightarrow{u}}(\overrightarrow{v})

\overrightarrow{v}

A = (-1.5148513982507126, -3.674920258651923, 2.634816788799256)
B = (-1.995343254267226, -1.196353569798628, 5.768705217963447)
C = (-1.9793033231420765, -0.47999999999999887, 0)
D = (4.156298697234462, 2.344807259714969, 4.720307838572335)
u = Vector(A, B)
v = Vector(C, D)
p = OrthogonalPlane(D, u)
q = OrthogonalPlane(C, u)
f = OrthogonalLine(C, q)
E = Intersect(f, p)
w = Vector(C, E)
F = PointIn(q)
G = PointIn(p)
a = Vector(F, G)
n = 0 (slider from 0 to 9, step 1)
H: C + u
b = Vector(C, H)
r = Plane(C, D, H)
t = 0 (slider from 0 to 1, step 0.01)
I: D + (t * Vector[D, E])
d = Vector(C, I)
g = Segment(D, E)
α = Angle(D, E, C)
h = Segment(G, I)
i = Segment(F, C)
β = Angle(G, I, C)
γ = Angle(F, C, I)
j = 0 (slider from 0 to 1, step 1)
c = Vector(E, D)
e = Vector(C, G)