如图,在每个小方格均为小正方形的网格中,点
都在格点上,则
的正切值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/0ac2bbb9-fba5-4209-bb99-33d0343798a2.png?resizew=140)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-02-20 19:25:34
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【推荐1】某长方体的展开图中,
(均为格点)的位置如图所示,一只蚂蚁从点
出发,沿着长方体表面爬行.若此蚂蚁分别沿最短路线爬行到
四点,则蚂蚁爬行距离最短的路线是( )
![](https://img.xkw.com/dksih/QBM/2020/1/26/2385566344699904/2386251513561088/STEM/3865ba7d74a5417eba34a4b36d7b83ba.png?resizew=184)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a92345d331135fcbe82d9a2fd31c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4496fe22b40bc63581998e6b7ef6783.png)
![](https://img.xkw.com/dksih/QBM/2020/1/26/2385566344699904/2386251513561088/STEM/3865ba7d74a5417eba34a4b36d7b83ba.png?resizew=184)
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【推荐2】如图,在由边长为1的小正方形组成的网格中,点
、
、
、
都在这些小正方形的点上,
相交于点
,则
的值为()
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28d2790a97390935125aa897417f970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f54c90a2f3b83cbbf66effeed620e89.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/89518f7d-cd21-4f29-91e7-e96518443b3b.png?resizew=145)
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【推荐1】如图,
都在正方形网格的格点上,
与
交于点
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/2/e94c742c-afae-4380-be40-c323d846114f.png?resizew=163)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4706acbdca5d7c24ea284ae052daad.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/2/e94c742c-afae-4380-be40-c323d846114f.png?resizew=163)
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【推荐2】如图,在正方形网格中.每个小正方形的边长都是1,小正方形的顶点称为格点,
的顶点都在格点上,则
的正切值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/20/2dee4dcc-251b-4925-a4ad-fec36861a4f9.png?resizew=136)
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【推荐1】如图,在平面直角坐标系中,直线OA过点(2,1),则tanα的值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/16/f3662d68-3ec1-432a-ae04-8529b657e67b.png?resizew=180)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/16/f3662d68-3ec1-432a-ae04-8529b657e67b.png?resizew=180)
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【推荐2】如图,两个全等的正六边形的一边重合,点A,B,C为正六边形的顶点,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ca5daad22234c3bbef779317845f02.png)
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