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A car is driving directly north on the freeway at a speed of 100 km/h and a truck is leaving the freeway driving 79 km/h in a direction that is 33 degrees west of north. What is the velocity of the truck relative to the car?

What is the magnitude and direction of the truck, with special emphasis on how to find direction b/c I'm very lost on how to find direction in degrees. Thanks!

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