{j1j2j3j2j1l3}=(-1)j1+j2+j3+l3⁢(4π⁢(2⁢j1+1)⁢(2⁢j2+1)⁢(2⁢l3+1)⁢sin⁡θ)12⁢(cos⁡((l3+12)⁢θ-14⁢π)+o⁡(1)),