Use the results of to find a FourierLegendre expansion (23) of F(u) 1 cos 2u
Chapter 12, Problem 18(choose chapter or problem)
Use the results of Problem 17 to find a Fourier-Legendre expansion (23) of \(F(\theta)=1-\cos 2 \theta\).
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer