trader_acos
(PECL trader >= 0.2.0)
trader_acos — Vector Trigonometric ACos
Descrição
array trader_acos
( array
$real
)
Calculates the arc cosine for each value in
real and returns the resulting array.
Parâmetros
-
real -
Array of real values.
Valor Retornado
Returns an array with calculated data or false on failure.