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Proof: lim (sin x)/x http://www.khanacademy.org/video/proof--lim--sin-x--x -------------------------------------------- x- (x يتناول هذا الفيديو اثباتاً لنهاية (جيب -------------------------------------------- شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org