Applications of the sine law and cosine law  Trigonometric Ratios and Angle Measures
Applications of the sine law and cosine law
What's the purpose of learning the Law of Sines and the Law of Cosines? To solve reallife problems! In this section on applications of the two laws, we will apply our trigonometry knowledge to tackle distance problems.
Basic concepts:
 Law of cosines
Lessons

2.
Owen sees a firework on a bearing of 290°. Meanwhile 6km due west of Owen, Macy sees the same firework on a bearing of 065°.