Involving algebraic functions of cos and exp
Involving ep z(a+b cos(d z))beta cosh(c z)
Involving ep z(a+b cos2(d z))beta cosh(c z)
Involving ep zcos(e z)cosh(c z)(a+b cos(d z))beta DONE
Involving ep zcos(e z)cosh(c z)(a+b cos2(d z))beta DONE