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

Question

Quizplus · Accepted Answer

The given equation can be rewritten as $(\sin x + 4)^2 = 0$, which implies $\sin x = -4$. Since the sine of an angle cannot be less than -1 or greater than 1, there are no real solutions to this equation.

Choose the One Alternative That Best Completes the Statement or Answers