Use Any Method to Evaluate the Integral $$\int \frac { \cos x } { \sin ^ { 2 } x } d x$$

Multiple Choice

Use any method to evaluate the integral.
- $$\int \frac { \cos x } { \sin ^ { 2 } x } d x$$

A) sec x + C
B) csc x + C
C) -csc x + C
D) -sec x + C