@testset "4.7 Miscellaneous" begin
    include("4.7.1 (c trig)^m (d trig)^n.jl")
    include("4.7.2 trig^m (a trig+b trig)^n.jl")
    include("4.7.3 (c+d x)^m trig^n trig^p.jl")
    include("4.7.4 x^m (a+b trig^n)^p.jl")
    include("4.7.5 x^m trig(a+b log(c x^n))^p.jl")
    include("4.7.6 f^(a+b x+c x^2) trig(d+e x+f x^2)^n.jl")
    include("4.7.7 Trig functions.jl")
end
