Number 6 and 7 show all work

6) If the polar coordinates of a point are (r,

6) If the polar coordinates of a point are (r, Q) and its rectangular coordinates are (x. y). determine the polar coordinates of the following points: (a) y). (b) (2x, 2y), and (c) (3x. 3y). 7) Is it possible to havel + I l? If so. illustrate with a diagram.