Trader 函数
PHP Manual

trader_cosh

(PECL trader >= 0.2.0)

trader_coshVector Trigonometric Cosh

说明

array trader_cosh ( array $real )

Calculates the hyperbolic cosine for each value in real and returns the resulting array.

参数

real

Array of real values.

返回值

Returns an array with calculated data or false on failure.


Trader 函数
PHP Manual