Mixed Exercises For Exercises 73. 76, determine whether the two ordered pairs in polar coordinates represent the same point in the plane. If not, explain the change needed to make the two ordered pairs represent the same point. Assume that n is any integer. 73. (r, 9) and (r, 6) Answer 74. (r, 9) and (r, 9 + 2m:) 75. (r, 6) and (r, at 6)