Use a Sum or Difference Identity to Find the Exact $\csc \theta ( \sin \theta + \cos \theta )$

Multiple Choice

Use a sum or difference identity to find the exact value.
- $\csc \theta ( \sin \theta + \cos \theta )$

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