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  • ==Cih and ArcCih== : \( \mathrm{Cih}(z) = \mathrm{i}~ \mathrm{Cip}(\mathrm i z)\)
    8 KB (1,211 words) - 18:25, 30 July 2019
  • 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 2013
  • File: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
  • ...ь «старых друзей», «по звонку» (с 70-х гг.). CIH, 142; СП, 214.
    3 KB (51 words) - 07:34, 1 December 2018