Section 9.1

Polar Coordinates

OBJECTIVE 1

3 2(a) 2, (b) 4, (c) 5,0 (d) 3,

4 3 3

2Consider the point with polar coordinates 4, .

3

Find three other polar coordinates that represent the same point.

2,4

OBJECTIVE 2

5(a) 5, (b) 2,

4 6

OBJECTIVE 3

Find polar coordinates of a point whose rectangular coordinates are (– 6, 0).

Find polar coordinates of a point whose rectangular coordinates are (– 3, 3).

Find polar coordinates of a point whose rectangular coordinates are 3,1

OBJECTIVE 4

2Transform the equation 4 from rectangular coordinates

to polar coordinates.

y x