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/*
Java Programming for Engineers
Julio Sanchez
Maria P. Canton
ISBN: 0849308100
Publisher: CRC Press
*/
//Java for Engineers
//Filename: HypFun
//Reference: Chapter 23
//Description:
// Calculating hyperbolic functions
//Requires:
// Keyin class in current directory
import java.lang.*;
strictfp class HypFun
{
public static void main(String[] args)
{
double rads, degs, sinHA, cosHA, tanHA, asinHA;
// Obtain angle in degrees from user
degs = 20d;
// Convert degrees to radian
rads = Math.toRadians(degs);
// Calculate hyperbolic sine
sinHA = (Math.exp(rads) - Math.exp(-rads))/2;
System.out.println("Hyperbolic sine = " + sinHA);
// Calculate Hyperbolic cosine
cosHA = (Math.exp(rads) + Math.exp(-rads))/2;
System.out.println("Hyperbolic cosine = " + cosHA);
// Calculate hyperbolic tangent
tanHA = sinHA/ cosHA;
System.out.println("Hyperbolic tangent = " + tanHA);
// Calculate hyperbolic arc-sine
asinHA = Math.log(sinHA + Math.sqrt((sinHA * sinHA)+ 1.0));
degs = Math.toDegrees(asinHA);
System.out.println("Arc hyperbolic sine = " + degs);
}
}
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