PHP 忒聊 綴豖 ヶ輛 asinh (PHP 4 = 4.1.0) Description Returns the inverse hyperbolic sine of arg, i.e. the value whose hyperbolic sine is arg. 蛁: 蜆滲杅祥巠蚚衾 Windows す怢ㄐ See also asin(), acosh() and atanh(). 綴豖 れ萸 ヶ輛 asin 奻珨撰 atan2