Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2vA/ Esercizi: http://www.khanacademy.org/exercise/inverse_trig_functions Traduzione in Italiano del vdeo Inverse Trig Functions: Arcsin http://www.youtube.com/watch?feature=player_embedded&v=JGU74wbZMLg http://www.khanacademy.org/video/inverse-trig-functions--arcsin?topic=trigonometry