Problem: A plane flies from base camp to lake. A. 288 km in a direction 22 degrees N of E. The plane flies to lake B, which is 120 Km from lake A and in a direction 34 degrees W of N.
Part A: Use the law of cosines or vector addition to determine the planes' final position with respect to its starting position.
It'd be really helpful if you could show all steps of your work.