(a)

The polar coordinate point is .

Graph:

Plot the polar point :

Another pair of polar point are and .

Another polar point is .

The coordinates and

Another polar point is

Another polar points are  and .

(b)

The polar coordinate point is .

Graph:

Plot the polar point :

Another pair of polar point are and .

Another polar point is 

Another polar point is

Another polar points are and .

(c)

The polar coordinate point is .

Graph:

Plot the polar point :

Another pair of polar point are and .

Another polar point is

Another polar point is

Another polar points are and 

(a)

Plot of the polar point is

Another polar points are  and .

(b)

Plot of the polar point is

Another polar points are and .

(c)

Plot of the polar point is

Another polar points are and .