Mathematics, 10.03.2020 09:13 tahiratnoel20

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 a ⋅ b?

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Suppose that a vector a in the xy‐plane points in a direction that is 47° counterclockwise from the...