2π⁢∫0π/2cos⁡z⁢cos⁡t⁢cosh⁡(2⁢h⁢sin⁡z⁢sin⁡t)⁢ce2⁢n+1⁡(t,h2)⁢ⅆ⁡t=A12⁢n+1⁡(h2)2⁢ce2⁢n+1⁡(0,h2)⁢ce2⁢n+1⁡(z,h2),