Involving rational functions of cos and exp

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

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

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

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

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

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

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

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