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4. (a) Convert (3, 3) into polar coordinates. = (b) Determine if the following vectors are parallel, orthogonal, or neither and calculate the magnitude

4. (a) Convert (3, 3) into polar coordinates. = (b) Determine if the following vectors are parallel, orthogonal, or neither and calculate the magnitude of both of the vectors. "a (5,-7,12), b = (10,43,24).

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