κ⁢ζ-4⁢μ2-2⁢μ⁢arctan⁡(κ⁢ζ-4⁢μ22⁢μ)=12⁢(X-π⁢μ)-μ⁢arctan⁡(x⁢κ-2⁢μ2μ⁢X)+κ⁢arcsin⁡(X2⁢κ2-μ2),