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In the previous problem, the vector in the x-direction is 4 units long. Vectors and are unit vectors in the x- and y-directions, respectively. A unit vector is a vector that is 1 unit long. So the x-component of is the vector , a product of a scalar and a vector. A scalar is a quantity that has only magnitude, not direction. What is the y-component of in the figure shown before?
For the following problem, find the direction cosines and direction angles for the position vector to the given point.
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