trader_cos

(PECL trader >= 0.2.0)

trader_cos — Vector Trigonometric Cos

說明

trader_cos(array $real): array

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

參數(shù)

real

浮點數(shù)數(shù)組。

返回值

Returns an array with calculated data or false on failure.