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[解題] 三角函數
[ tutor ]8 留言, 推噓總分: +5
作者: skytree0120 - 發表於 2016/09/17 08:06(7年前)
3Fjimmy12332: 找AB中點叫做D DC跟垂直線交的角=AB跟水平線交的角 所09/21 13:51
4Fjimmy12332: 以C點的y座標=D點的y座標減掉DC*cos(θ) x座標=D點的x09/21 13:51
5Fjimmy12332: 座標加上DC*sin(θ)09/21 13:51
6Fjimmy12332: DC的長度跟D點座標應該非常好求09/21 13:53
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