es.math.cosh.js
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es.math.cosh.js
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	var $ = require('../internals/export');
	var expm1 = require('../internals/math-expm1');

	// eslint-disable-next-line es/no-math-cosh -- required for testing
	var $cosh = Math.cosh;
	var abs = Math.abs;
	var E = Math.E;

	// `Math.cosh` method
	// https://tc39.es/ecma262/#sec-math.cosh
	$({ target: 'Math', stat: true, forced: !$cosh \|\| $cosh(710) === Infinity }, {
	cosh: function cosh(x) {
	var t = expm1(abs(x) - 1) + 1;
	return (t + 1 / (t * E * E)) * (E / 2);
	}
	});

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