海量資源,盡在掌握
 表1-20三角函數(shù)表正弦(sin)A0′6′12′18′24′30′36′42′48′54′60′ 1′2′3′ 0.000090° 0°1°2°3°4°5°6°7°8°9°10°11°12°13°0.000001750349052306980.087210451219139215640.1736190820792250001701920366054107150889106312361409158 (共 15940 字) [閱讀本文] >>