Mathematics, 04.04.2020 07:02, osmanysalvador9

A vector a in the xy-plane has a length of 6 units and points in a direction that is 120 ° counterclockwise from the positive x-axis, and a vector b in that plane has a length of 4 units and points in the positive y-direction.

Find a · b . Carry out all calculations exactly and round the final answer to two decimal places.

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A vector a in the xy-plane has a length of 6 units and points in a direction that is 120 ° countercl...