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File:CihplotT.png Explicit plot $y=\mathrm{Cih}(x)=\cosh(x)/x$. : $J=\mathrm{Cih}(H)\approx 1.50887956153832$(1,267 × 1,059 (87 KB)) - 09:41, 21 June 2013File:CoshcplotT.png z_type Cih(z_type z) {return cosh(z)/z ;} DO(m,148){x=.57+.01*m;y=Re(Cih(x));if(m==0)M(x,y)else L(x,y);}(465 × 851 (36 KB)) - 09:41, 21 June 2013