Question: You stand in a flat meadow and observe two cows. Cow A is due north of you and 15.0 m from your position. Cow B is 25.0 m from your position. From your point of view, the angle between cow A and cow B is 20.0 degree, with cow B appearing to the right of cow A.
Part I: How far apart are cow A and cow B?
Part II: Consider the view seen by cow A. According to this cow, what is the angle between you and cow A?
Part III: Consider the view see by cow B. According to this cow, what is the angle between you and cow B?
I want you to clarify the physics in this above question.