02 Sep 2013 @ 12:36 AM 
 

進階教學—三角函數的應用

 

 

P 是正方形 ABCD內部的一定點,AP長=1,BP長=2,CP長=3

求正方形面積=?

 

詳解見:

http://140.128.107.194/wpmu/thuhsc006/files/2013/10/e6ada3e696b9e5bda2.doc

Tags Categories: 數學 Posted By: 我是大富翁
Last Edit: 03 Oct 2013 @ 12 03 AM

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