Involving cos and exp
Involving ep zcos(d z)(a+b cosh(c z))beta
Involving ep zcos(d z)(a+b cosh2(c z))beta
Involving ep zcos(d z)cosh(e z)(a+b cosh(c z))beta
Involving ep zcos(d z)cosh(e z)(a+b cosh2(c z))beta