1. which of the following vectors are the same? (a) v = h3, −3i (b) v has initial point: (3, −2) and terminal point: (2, −3) (c) kvk = 3√ 2 and v makes an angle of −π/4 with the positive x-axis. (d) kvk = √ 2 and v makes an angle of 5π/4 with the positive x-axis. (e) v = h−1, −1i