J = 0 antiparallel, L and S are opposite and their vectorial sum equals zero
J = 1 perpendicular, I only have “one component” contributing to J
J = 2 parallel, the two moment sum up
I also thought to use the relation J^2 = L^2 + S^2 +1/2(LScos(theta)) and deduct the theta angle value from substuting values. Did not fully work out though…