visualizer / vendor / markbaker / complex / classes / src / functions / coth.php

coth.php in Visualizer – Tables & Charts Manager with Built-in AI Generator 3.9.4, at vendor/markbaker/complex/classes/src/functions/coth.php

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1	<?php
2
3	/**
4	*
5	* Function code for the complex coth() function
6	*
7	* @copyright Copyright (c) 2013-2018 Mark Baker (https://github.com/MarkBaker/PHPComplex)
8	* @license https://opensource.org/licenses/MIT MIT
9	*/
10	namespace Complex;
11
12	/**
13	* Returns the hyperbolic cotangent of a complex number.
14	*
15	* @param Complex\|mixed $complex Complex number or a numeric value.
16	* @return Complex The hyperbolic cotangent of the complex argument.
17	* @throws Exception If argument isn't a valid real or complex number.
18	* @throws \InvalidArgumentException If function would result in a division by zero
19	*/
20	function coth($complex)
21	{
22	$complex = Complex::validateComplexArgument($complex);
23	return inverse(tanh($complex));
24	}
25