Use the Law of Sines or Law of Cosines to solve each triangle.

Question

Given a triangle with side a opposite angle A, side b opposite angle B, and side c opposite angle C:   

Angle A is 25 degrees 26 minutes

Angle B is 78 degrees

Side a is 13.7 in length

Use the Law of Sines or Law of Cosines to solve each triangle. What is Angle C? What is Side b? What is Side c?

 

Answer 1

Solve by using sine and cosine rules