integrate: (cosh(ln(sect + tant))dt I have absolutely no idea where to start...can anyone help?
D dts5044 Junior Member Joined Mar 6, 2008 Messages 76 Mar 23, 2008 #1 integrate: (cosh(ln(sect + tant))dt I have absolutely no idea where to start...can anyone help?
skeeter Elite Member Joined Dec 15, 2005 Messages 3,216 Mar 23, 2008 #2 Re: integrate a hyperbolic function start with this ... cosh(x) = (e[sup:3s1y81yk]x[/sup:3s1y81yk] + e[sup:3s1y81yk]-x[/sup:3s1y81yk])/2
Re: integrate a hyperbolic function start with this ... cosh(x) = (e[sup:3s1y81yk]x[/sup:3s1y81yk] + e[sup:3s1y81yk]-x[/sup:3s1y81yk])/2