Perform the Transformation $\sin \theta \cos \theta \sec \theta \csc \theta$

Multiple Choice

Perform the transformation.
- $\sin \theta \cos \theta \sec \theta \csc \theta$

A) 1
B) $\sec ^ { 2 } \theta$
C) $\tan ^ { 2 } \theta$
D) $\csc ^ { 2 } \theta$