Find the Absolute Extreme Values of the Function on the Interval

Multiple Choice

Find the absolute extreme values of the function on the interval.
- $$f ( x ) = \csc x , - \frac { \pi } { 2 } \leq x \leq \frac { 3 \pi } { 2 }$$

A) absolute maximum is 1 at $x = \pi$ ; absolute minimum is $- 1$ at $x = \pi$
B) absolute maximum is $- 1$ at $x = \pi$ ; absolute minimum is 1 at $x = 0$
C) absolute maximum is 0 at $x = - \pi$ ; absolute minimum is $- 1$ at $x = \pi$
D) absolute maximum does not exist; absolute minimum does not exist