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sqrt> <sin
Last updated: Fri, 13 Nov 2009

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sinh

(PHP 4 >= 4.1.0, PHP 5)

sinh — 双曲正弦

说明

float sinh ( float $arg )

返回 arg 的双曲正弦值，定义为 (exp(arg) - exp(-arg))/2。

参见： sin()、 asinh()、 cos()和 tan()。



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sqrt> <sin
Last updated: Fri, 13 Nov 2009
 
 
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