/** * Returns the arc cosine of a number. * * @param float $number * * @return float The arc cosine of a number in radians. */ public function acos($number) { return $this->expressionEngine->acos($number); }
/** * Returns the arc cosine of a number. * * @param float $number * * @return float The arc cosine of a number in radians. */ public function acos($number) { return $this->expressionEngine->acos($number); }