71. Suppose that the polar axis is positioned to coincide with the positive xaxis in a rectangular coordinate system. Describe the graphs of the polar equations as they relate to a rectangular coordinate system. a.9=0 Answer I v ur\\\\'u Ir\\\\'l navy-a For Exercises 73lgi 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. 75. (r 9)and (r, 1:- 9) |//