Use Fundamental Identities to Simplify the Expression Below and Then $\cot \beta \sec \beta$

Multiple Choice

Use fundamental identities to simplify the expression below and then determine which of the following is not equivalent.
$\cot \beta \sec \beta$

A) $\frac { 1 } { \sin \beta }$
B) $\frac { \sec \beta } { \tan \beta }$
C) $\frac { 1 } { \cos \beta \tan \beta }$
D) $\sec \beta$
E) $\csc \beta$