Suppose that a vector a in the xy-plane points in a direction that is 47
Chapter 3, Problem 16(choose chapter or problem)
Suppose that a vector a in the xy-plane points in a direction that is 47 counterclockwise from the positive x-axis, and a vector b in that plane points in a direction that is 43 clockwise from the positive x-axis. What can you say about the value of ?
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