Consider the point (1, ) plotted in the graph below.

(a) Find the value of in the equivalent polar coordinates.

(b) Now that we have the values of , , and , which of the following equations could help us solve for ?

(c) Use one of your answers to part (b) to find a possible value of between 0 and .

(d) Which of the following are also possible values of ?

(e) Find all possible values of .
where is any integer and the base angle is between 0 and .