Avector a has a magnitude of 8 units and points in the −y-direction, while a vector b has triple the magnitude of a and points in the +x-direction. what are the magnitude and direction of the following vectors? give the directions of each as an angle measured counterclockwise from the +x-direction.

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the answer to this in exact form is 4/35 but in decimal form its 0.1142857

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