tan45度係幾多??
回答 (5)
2008-01-27 6:17 am
✔ 最佳答案
tan45=1 
2008-01-27 6:23 am
tan45=1
2008-01-27 6:19 am
tan45度=(66.5-22.5)
=(45x1/2)
=(1/2)
=(45x1/2)
=(1/2)
2008-01-27 6:18 am
tan45 = 1
收錄日期: 2021-04-13 17:07:55
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080126000051KK03787