Complete the Identity $\frac { \sec \theta + \csc \theta } { \tan \theta + 1 }$

Multiple Choice

Complete the identity.
-The expression $\frac { \sec \theta + \csc \theta } { \tan \theta + 1 }$
is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be u: the right hand side of the equation to complete the identity?

A) $\sec \theta$
B) $\csc \theta$
C) $\tan \theta$
D) $\cos \theta$