public static double cosh(double d) {double ePowX = Math.pow(Math.E, d);double ePowNegX = Math.pow(Math.E, -d);return (ePowX + ePowNegX) / 2;}

public static double cosh ( double d ) { double ePowX = Math . pow ( Math . E , d ) ; double ePowNegX = Math . pow ( Math . E , - d ) ; return ( ePowX + ePowNegX ) / 2 ; }
public static double Cosh(double d){double ePowX = Math.Pow(Math.E, d);double ePowNegX = Math.Pow(Math.E, -d);d = (ePowX + ePowNegX) / 2;return d;}
