名校
1 . 已知向量
,
,
,若
三个向量共面,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b014d00c7730189d08d0af9ac76f465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c62db793887f54878fd020cd5d09811d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9acbd3d31d44fd6b76987baa09d9105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
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2024-06-05更新
|
137次组卷
|
2卷引用:广东省湛江市第一中学2023-2024学年高二下学期开学考试数学试题
名校
2 . 已知函数
,若函数
有四个不同的零点
(其中
),则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b9daa193e11ff98cf70507f1ed30992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0384a0466920e5bf00231a5c5bf77969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe305a0610c21bae9bbc73a95a2ed4ae.png)
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3 . 某地为了更好地开发当地的旅游资源,决定在两座山头建一条索道,现测得两座山高分别为
米,
米.从山脚下的
处测得
处的仰角为
,
处的仰角为
,
,点
,
,
在同一水平面内,
,
,则两座山的山顶
,
之间的距离是______ 米.(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e2d4c69dc4cd1985c5877f49e22634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/664ef8298f9c6eef667861e1da9bd8a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/903c1bb6f9fe8f9b9710683a3e601452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4794cf7c57bdd4825d9e6615e2527a4.png)
![](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/624b88c1ded9f65fe34586bc4d7b20e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d56fffeca88040c5e70b1d240bcac66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76fe9cc87f8e8389c94efa7e7caab2a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad548d3bb499aab6d0baf4032be99bfd.png)
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4 . 在
的展开式中,
的系数为
,则该二项展开式中的常数项为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b0e716b080af07e7630d59b12c9545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc440d5cba1aa1318029f47aa7c415d.png)
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2024-04-01更新
|
1050次组卷
|
2卷引用:广东省深圳市福田区福田中学2024届高三下学期开学考试数学试题
名校
解题方法
5 . 已知为锐角,若
,则
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2024-03-23更新
|
747次组卷
|
2卷引用:广东省惠州市惠阳区第一中学高中部2023-2024学年高一下学期开学摸底考试数学试题
解题方法
6 . 已知函数
是定义在
上的奇函数,当
时的图象如图所示,那么
的解集是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e0e5731036a0d9c3109c541e126d78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc868a2077000982bd4594d95cfc351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/9/dbacf2ad-6e68-4bb4-beb4-d04040cecdf4.png?resizew=165)
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7 . 已知函数
,用列表法表示如下:
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d7eba061fc1a296cbb161e70e697749.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d7eba061fc1a296cbb161e70e697749.png)
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解题方法
8 . 当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ (填入恰当的数)时,函数
在
上递增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c909e00b4050b260c0c67ec977c07d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d61fad6b0d151e291a5be10f864c461c.png)
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解题方法
9 . 已知双曲线
的离心率为
,则其两条渐近线所成的锐角的余弦值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
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解题方法
10 . 已知
为
的内角
所对的边,其中
的面积为
,且
,则线段
的长为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e8ffa739c176b6d8e26141b61eb98d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c9ba21933a3ac9f13936183443e8d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
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