A vector a in the xy-plane has a length of 7 units and points in a direction that is 120° counterclockwise from the posi
Posted: Tue May 10, 2022 8:54 am
A vector a in the xy-plane has a length of 7 units and points in a direction that is 120° counterclockwise from the positive x-axis, and a vector b in that plane has a length of 5 units and points in the positive y-direction. Find a bu NOTE: Enter the exact answer or round the exact answer to two decimal places. a b