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<sinsqrt>
Last updated: Mon, 16 Jul 2012

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()tan()




<sinsqrt>
 Last updated: Mon, 16 Jul 2012
 
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