Trader Functions
PHP Manual

trader_acos

(PECL trader >= 0.2.0)

trader_acosVector Trigonometric ACos

Description

array trader_acos ( array $real )

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

Parameters

real

Array of real values.

Return Values

Returns an array with calculated data or false on failure.


Trader Functions
PHP Manual