 Solution

ID: past-exam-of-the-mathematics-course-of-the-year-1-of-the-natural-sciences-course-of-the-university-of-cambridge/2017/paper-2/6/a/solution

Evaluate the cross product componentwise and use

sin u cos v - sin v cos u = sin (u - v)

F \times G = (sin (y - z), sin (z - x), sin (x - y)) .

 New to topics? Read the docs here!