1)Simplify
http://img690.imageshack.us/img690/8643/dsc00586n.jpg
2)Simplify
http://img13.imageshack.us/img13/5766/dsc00585wk.jpg
please show clear steps.thank you!
F.4 basic trigonometry
2010-06-04 1:54 am
回答 (1)
2010-06-04 2:47 am
收錄日期: 2021-04-23 20:44:53
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100603000051KK00884