Simplify the Trigonometric Expression by Following the Indicated Direction $$\frac { 1 } { 1 - \sin \theta } + \frac { 1 } { 1 + \sin \theta }$$

Essay

Simplify the trigonometric expression by following the indicated direction.
-Rewrite over a common denominator: $$\frac { 1 } { 1 - \sin \theta } + \frac { 1 } { 1 + \sin \theta }$$