1 . 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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解题方法
2 . 在平行四边形
中,
,
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c3a1f1a37e69b2dc06bf0affd58f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5aabc5289a1528a1667331a43e4247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c682bee43aa462b15f021cedfa1d3309.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-01更新
|
253次组卷
|
2卷引用:广东省湛江市第一中学2023-2024学年高一下学期开学考试数学试题
解题方法
3 . (1)计算:
;
(2)已知
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab48b260fda23600f7e38b7bf9fe6a8.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00102824ae88e435cf239f806ef7370f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351e042e4ee8aa030cde480ef042cdc7.png)
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2024-03-29更新
|
462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
4 . 设点是正方形
的中心,则下列结论错误的是( )
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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5 . 已知函数
在定义域
上单调递增,
,
,
,则函数
的一个误差不超过0.05的零点可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877432f7d81d821ac1719dfdc04376bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c574d7344a05b79542c185806d23262c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bfbfe669fd5ae17a74e345d620855e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.0.6 | B.0.68 | C.0.7 | D.0.72 |
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6 . 若函数
(
,且
)满足
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ff35f3b50966a5e3cbb0b5977af7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8052657c4c7a745ca33b9b70d7e230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe653ed86488f8dcdf2612ac544fe2aa.png)
A.±![]() | B.±3 | C.![]() | D.3 |
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7 . 关于
的不等式
的解集为
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3468c06a5e2cf05246cff9c39a2f5aab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0bc954d114004372c294bf2ff20d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知函数
的最小正周期为
.
(1)求
的值;
(2)求
在
上的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc544f4cda2fdaf3a60ab3f091d2813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8351f28159f280d1bfe3edb75a3a5e0.png)
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9 . 以下四个命题中,是假命题的是( )
A.若![]() ![]() ![]() |
B.“![]() ![]() |
C.若命题![]() ![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() |
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10 . 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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