Find the anglebetween vec(P) = - 2hat(i) +3 hat(j) +hat(k) and vec(Q) = hat(i) +2hat(j) - 4hat(k)

Find the anglebetween vec(P) = - 2hat(i) +3 hat(j) +hat(k) and vec(Q)

1.	Find the anglebetween vec(P) = - 2hat(i) +3 hat(j) +hat(k) and vec(Q) = hat(i) +2hat(j) - 4hat(k)
Answer» SOLUTION :`THETA = 90^(@)`