2π⁢∫0π/2cosh⁡(2⁢h⁢sin⁡z⁢sin⁡t)⁢ce2⁢n⁡(t,h2)⁢ⅆ⁡t=A02⁢n⁡(h2)ce2⁢n⁡(0,h2)⁢ce2⁢n⁡(z,h2),