the angle of elevation of Q from P.
and我想問其實點睇elevation of呢d角,我唔係好識睇
更新1:
http://i600.photobucket.com/albums/tt87/roastchickens/62db7cee.jpg?t=1237007308
更新2:
答案係19.31..
http://i600.photobucket.com/albums/tt87/roastchickens/62db7cee.jpg?t=1237007308
答案係19.31..
收錄日期: 2021-04-25 22:38:42
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090314000051KK00698