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abs.php
(828 B)
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acos.php
(1.04 KB)
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acosh.php
(920 B)
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acot.php
(756 B)
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acoth.php
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acsc.php
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acsch.php
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argument.php
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asec.php
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asech.php
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asin.php
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asinh.php
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atan.php
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atanh.php
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conjugate.php
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cos.php
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cosh.php
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cot.php
(850 B)
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coth.php
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csc.php
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csch.php
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exp.php
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inverse.php
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ln.php
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log10.php
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log2.php
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negative.php
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pow.php
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rho.php
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sec.php
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sech.php
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sin.php
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sinh.php
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sqrt.php
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tan.php
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tanh.php
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theta.php
(1.25 KB)
Editing: acosh.php
<?php /** * * Function code for the complex acosh() function * * @copyright Copyright (c) 2013-2018 Mark Baker (https://github.com/MarkBaker/PHPComplex) * @license https://opensource.org/licenses/MIT MIT */ namespace Complex; /** * Returns the inverse hyperbolic cosine of a complex number. * * @param Complex|mixed $complex Complex number or a numeric value. * @return Complex The inverse hyperbolic cosine of the complex argument. * @throws Exception If argument isn't a valid real or complex number. */ function acosh($complex) { $complex = Complex::validateComplexArgument($complex); if ($complex->isReal() && ($complex->getReal() > 1)) { return new Complex(\acosh($complex->getReal())); } $acosh = acos($complex) ->reverse(); if ($acosh->getReal() < 0.0) { $acosh = $acosh->invertReal(); } return $acosh; }
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