Determine Whether the Law of Sines or the Law of Cosines

Multiple Choice

Determine whether the Law of Sines or the Law of Cosines is needed to solve the triangle.Then solve the triangle.Round your answer to two decimal places. ​
A = 170,B = 20°,C = 15°
​

A) Law of Cosines;No solution
B) Law of Sines;A = 145°,b ≈ 76.71,c ≈ 101.37
C) Law of Sines;A = 145°,b ≈ 101.37,c ≈ 76.71
D) Law of Cosines;A = 145°,b ≈ 101.37,c ≈ 76.71
E) Law of Sines;No solution