Problem 1.1:
What is the angle
θ between the vectors
v = (2, 5, 3) and
w = (1, - 2, 4)?
(Hint: your answer can be left as an expression for
cosθ).
[Solution]
Problem 1.2:
Find a vector which is perpendicular to both
u = (3, 0, 2) and
v = (1, 1, 1).
[Solution]