Find Angle Between Vectors

[nycmathguy]

Section 6.3

 

[MathLover1]

correct

 

[nycmathguy]

correct

Math is not hard when I am home alone and no need to worry about working. A blizzard in NYC has grounded me indoors all day today and tomorrow. Oh, my root tip is finally bugging the heck out of me.

Let R = root tip

Let p = pain

R + p = miserable weekend for me.

Ha!