Involving rational functions of cos and exp

Involving e^{p z}cosh(e z)cosh(d z)/a+b cos(c z)

Involving e^{p z}cosh(e z)cosh(d z)(a+b cos(c z))^-n

Involving e^{p z}cosh(e z)cosh(d z)/a+b cos²(c z)

Involving e^{p z}cosh(e z)cosh(d z)(a+b cos²(c z))^-n