Fitting large tables with equations inside

AFAICT, the only way to typeset this table without using an tiny unreadable font size is to typeset in landscape mode.

documentclass{article}
usepackage{rotating,booktabs,array,amsmath,amssymb}
newcolumntype{C}{>{$displaystyle}c<{$}} % automatic display-style math mode

begin{document}
begin{sidewaystable}
setlengthtabcolsep{0pt} % let LaTeX figure out the amount of intercolunn whitespace
caption{The most important Archimedean copulasstrut}
begin{tabular*}{textwidth}{@{extracolsep{fill}} l *{5}{C} }
toprule
Copula 
& $Bivariate copula $ C_{theta}(u,v) 
& $Parameter $ theta
& $Kendall's $ tau
& $Generator $ psi^{}_{theta}(t) 
& begin{tabular}{c}Generator  inverseend{tabular}  psi^{-1}_{theta}(t)  
midrule
Clayton 
& maxBigl[ bigl(u^{-theta}+v^{-theta}-1bigr)^{-1/theta}, 0 Bigr]
& thetain[-1,infty)setminus{0}
& frac{theta}{theta+2}
& frac{1}{theta}(t^{-theta}-1)
& (1+theta t)^{1/theta} 
addlinespace[5mm]
Frank  
& -frac{1}{theta}lnbiggl[1+ 
frac{(exp(-theta u)-1)(exp(-theta v)-1)}{exp(-theta)-1}biggr]
& thetainmathbb{R}setminus {0} 
& cdots & cdots & cdots  
addlinespace[5mm]
Gumbel 
& expbiggl[-bigl((-log(u))^{theta}+(-log(v))^{theta} 
             bigr)^{1/theta}biggr]
& theta in [1,infty) 
& cdots & cdots & cdots  
addlinespace
bottomrule
end{tabular*}
end{sidewaystable}
end{document}