1 . 如图,地平面上有一根旗杆
,为了测得它的高度,在地面上取一基线
,
,在
处测得点
的仰角
,在
处测得点
的仰角
,又测得
,则旗杆的高度是__________ m
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe5ad8e993ca72050247b58ebe1d5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d4d1094d09acf2d05db36bddfbe2767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaf0c7422d6480145f635af66cee5e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6131160eaee962470abc7771df265c6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/17/9575183d-787f-45f8-a58a-566a76bef078.png?resizew=150)
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2023-06-14更新
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3卷引用:新疆阿克苏市实验中学2022-2023学年高一下学期第三次月考数学试题