Use a Graphing Utility to Solve the Equation on the Interval

question 239

Multiple Choice

Use a graphing utility to solve the equation on the interval 0 $0 ^ { \circ } \leq x < 360 ^ { \circ }$ . Express the solution(s) rounded to one decimal
place.
- $\sin ^ { 2 } x + 8 \sin x - 4 = 0$

• A) 208.2°, 331.8°
• B) 28.2°, 151.8°
• C) 28.2°, 151.8°, 208.2°, 331.8°
• D) No solution

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