-module(helloworld).
-import(math,[cos/1]).
-export([start/0]).
start() ->
Cosin = cos(45),
io:fwrite("~p~n",[Cosin]).
-module(helloworld).
-import(math,[cos/1]).
-export([start/0]).
start() ->
Cosin = cos(45),
io:fwrite("~p~n",[Cosin]).