Sketch in a third vector, C, whose magnitude and direction are such that A+B+C=0. Vectors A and B both have a magnitude of 5 and form a 30 degree angle (image attached).
How do I go about this question? I have no idea how to start or what to graph.
The Attempt at a Solution
Haven't been able to attempt anything yet because I don't know how to start this problem.
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