Simplify the following expression.
tan(90°-x)/tan(180°-x)‧tan(360°-x)
F.4 Maths
2010-02-28 8:20 pm
回答 (1)
2010-02-28 9:37 pm
✔ 最佳答案
http://i320.photobucket.com/albums/nn347/old-master/100228_1.jpg?t=1267335353圖片參考：http://i320.photobucket.com/albums/nn347/old-master/100228_1.jpg?t=1267335353
參考: 老爺子
收錄日期: 2021-04-30 13:03:25
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