F.6 M2 about vectors~~~
2011-09-30 4:02 am
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In the figure, AC = 10. u and v are two unit vectors. The angles u and v make with vector AC are 25 and 40 respectively. Express vector AC in terms of u and v. (Give your answer correct to 1 demical place.)
回答 (1)
2011-09-30 6:04 am
收錄日期: 2021-04-13 18:16:07
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https://hk.answers.yahoo.com/question/index?qid=20110929000051KK01139