the initial velocity of a car is 45 km/h in the positive x direction. the final velocity of the car is 66km/h in a direction that points 75 degrees…

the initial velocity of a car is 45 km/h in the positive x direction. the final velocity of the car is 66km/h in a direction that points 75 degrees above the postive x axis. find the magnitude & direction of the change in velocity.