It's part of Tidus sphere grid. Not sure on the exact location, but its on the upper parts. An easy way to locate it is to go Google and search for a ff10 sphere grid map.
No, you can't give them Auto-Life or Auto-Phoenix - they can only learn skills or spells that the main party knows, they can't learn the passive abilities granted by armour like Auto-Haste or Auto-Phoenix.
Final Fantasy X was first released in the year 2001.
Yes well this is my opinion. Final Fantasy X is better than Final Fantasy XIII
Yes there are subtitles in Final Fantasy X
There are no cheat codes for Final Fantasy X.
There isn't a whirlwind in Final Fantasy X.
Sin was only in Final Fantasy X, and mentioned in Final Fantasy X-2.
Final Fantasy X-7? no. there is Final Fantasy 10-2 which is the sequel to Final Fantasy 10 (and is the only actual sequel in all of the final fantasy games) and there is Final Fantasy 7, but there is no Final Fantasy x-7. the games may be made by the same people but do not relate to each other in anyway other then the fact they are Final Fantasy.
There are 3 final fantasy in a playstation 2 console, Final fantasy X Final fantays X-2 And Final Fantasy 12
Final Fantasy X
No
Final fantasy X, X-2, and XII