Question

How to use Math.tanh() to get the hyperbolic tangent of a number in JavaScript

Answer 1

document.write("Math.tanh(45 * Math.PI / 180.0) = " + Math.tanh(45 * Math.PI / 180.0) + "<br />");
document.write("Math.tanh(3 * Math.PI / 4) = " + Math.tanh(3 * Math.PI / 4) + "<br />");
document.write("Math.tanh(5 * Math.PI / 4) = " + Math.tanh(5 * Math.PI / 4) + "<br />");
document.write("Math.tanh(7 * Math.PI / 4) = " + Math.tanh(7 * Math.PI / 4) + "<br />");
document.write("Math.tanh(Math.PI / 4) = " + Math.tanh(Math.PI / 4) + "<br />");
document.write("Math.tanh(0) = " + Math.tanh(0) + "<br />");
document.write("Math.tanh(-0) = " + Math.tanh(-0) + "<br />");
document.write("Math.tanh(1) = " + Math.tanh(1) + "<br />");
document.write("Math.tanh(Infinity) = " + Math.tanh(Infinity) + "<br />");

 
/*
run

Math.tanh(45 * Math.PI / 180.0) = 0.6557942026326724
Math.tanh(3 * Math.PI / 4) = 0.9821933800072388
Math.tanh(5 * Math.PI / 4) = 0.9992238948786412
Math.tanh(7 * Math.PI / 4) = 0.9999664489997958
Math.tanh(Math.PI / 4) = 0.6557942026326724
Math.tanh(0) = 0
Math.tanh(-0) = 0
Math.tanh(1) = 0.7615941559557649
Math.tanh(Infinity) = 1
 
*/

 

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