Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
- $\sin ^ { 2 } x + 8 \sin x + 16 = 0$

A) $208.2 ^ { \circ } , 331.8 ^ { \circ }$
B) $28.2 ^ { \circ } , 151.8 ^ { \circ }$
C) $28.2 ^ { \circ } , 151.8 ^ { \circ } , 208.2 ^ { \circ } , 331.8 ^ { \circ }$
D) No solution