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PHP: cosh - Manual
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decbin" width="11" height="7"/> <cos
Last updated: Wed, 01 Nov 2006
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cosh

(PHP 4 >= 4.1.0, PHP 5)

cosh -- 双曲線余弦(ハイパボリックコサイン)

説明

float cosh ( float arg )

arg のハイパボリックコサインを返します。 これは、(exp(arg) + exp(-arg))/2 で定義されます。

cos()acosh()sin() および tan() も参照ください。



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decbin" width="11" height="7"/> <cos
Last updated: Wed, 01 Nov 2006
 
 
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