Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Complete the identity.
- $$\csc ( \alpha - \beta ) = ?$$

A) $\frac { \sec \alpha \sec \beta } { \tan \alpha \tan \beta - 1 }$
B) $\frac { \sec \alpha \sec \beta } { \tan \alpha - \tan \beta }$
C) $\csc \alpha \sec \beta - \sec \alpha \csc \beta$
D) $\csc \alpha - \csc \beta$