Plot the point whose polar coordinates are given. Then find two other pairs of polar coordinates of this point, one with r> 0 and one with r< 0. (a) (²,7) r> 0 r< 0 r> 0 (b) (-5,37) r< 0 (r, 8) = r> 0 (r, 8) = r<0 (r, 0) = (c)(3,-) (r, 8) = (r, 0) = (r, 0) =

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