Solve the Problem $\frac { 1 } { 1 - \sin \theta } + \frac { 1 } { 1 + \sin \theta }$

Essay

Solve the problem.
-Rewrite over a common denominator: $\frac { 1 } { 1 - \sin \theta } + \frac { 1 } { 1 + \sin \theta }$