Involving rational functions of cos

Involving cosh(c z)/a+b cos(d z)

Involving (a+b cos(d z))^-ncosh(c z)

Involving cosh(c z)/a+b cos²(d z)

Involving (a+b cos²(d z))^-ncosh(c z)

Involving cos(e z)cosh(c z)/a+b cos(d z)

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

Involving cos(e z)cosh(c z)/a+b cos²(d z)

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