Ummmm.....the link again.....
http://db.gamefaqs.com/console/gamecube/file/zelda_wind_waker_b.txt

the link is to a  walk through it is very well written and explains where
the hero's bow is,and many other things you will need to find,and things you
neewd to know about the game the hero's bow is found in regular game
play,its not hidden or anything, you will find it,check the link, read the
link.............