Use the Law of Cosines to Solve the Given Triangle

Use the law of Cosines to solve the given triangle.Round your answer to two decimal places. ​
A = 50°,b = 4,c = 15
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A) a ≈ 15,B ≈ 13.85°,C ≈ 116.15°
B) a ≈ 12.80,B ≈ 116.15°,C ≈ 13.85°
C) a ≈ 4,B ≈ 13.85°,C ≈ 116.15°
D) a ≈ 15,B ≈ 15.85°,C ≈ 114.15°
E) a ≈ 12.80,B ≈ 13.85°,C ≈ 116.15°