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sinh

(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)

sinh双曲正弦

说明

sinh(float $num): float

返回 num 的双曲正弦值,定义为 (exp($num) - exp(-$num))/2

参数

num

要处理的参数

返回值

num 的双曲正弦值

参见

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