Projection vector of 
on 
is
Let θ be the angle between 
.
From figure we can see that , length OL is the projection of 
.
In Δ OLA ,we have
⇒ OL = OA cosθ
⇒ 
⇒ 
⇒ 
Now, 
⇒ 
⇒ 
30
Projection vector of on is
Let θ be the angle between .
From figure we can see that , length OL is the projection of .
In Δ OLA ,we have
⇒ OL = OA cosθ
⇒
⇒
⇒
Now,
⇒
⇒