==== facos ====

Find the arc-cosine of a value

=== Description ===

<code>Float:facos( Float:value )</code>

Find the arc-cosine of the given value.

The return value is in radians.

=== Parameters ===

| ''value'' | input value |

=== Return value ===

Returns the arc-cosine in radians of ''value''.

=== Example usage ===

<code javascript>    
   new Float:x;
   
   x = facos( 1 );    // 0
</code>