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decbin> <cos
Last updated: Fri, 24 Jul 2009

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cosh

(PHP 4 >= 4.1.0, PHP 5)

cosh쌍곡코사인

설명

float cosh ( float $arg )

(exp(arg) + exp(-arg))/2로 정의되는, arg 의 쌍곡코사인을 반환합니다.

인수

arg

계산할 인수

반환값

arg 의 쌍곡코사인

참고



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decbin> <cos
Last updated: Fri, 24 Jul 2009
 
 
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