Perform the Indicated Operations and Simplify the Result So There $\tan \theta ( \cot \theta - \cos \theta )$

Multiple Choice

Perform the indicated operations and simplify the result so there are no quotients.
- $\tan \theta ( \cot \theta - \cos \theta )$

A) $1 - \sin \theta$
B) 1
C) $- \sec ^ { 2 } \theta$
D) 0