Pν-12μ⁡(cosh⁡ξ)=Γ⁡(12-μ)π1/2⁢(1-ⅇ-2⁢ξ)μ⁢ⅇ(ν+(1/2))⁢ξ⁢F⁡(12-μ,12+ν-μ;1-2⁢μ;1-ⅇ-2⁢ξ),