解题方法
1 . 我国历史悠久,各地出土文物众多.甲图为湖北五龙宫遗址出土的道家篆书法印.图乙是此印章中抽象出的几何图形的示意图.如图乙所示,在边长为2的正八边形ABCDEFGH中,P是正八边形边上任意一点,则
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab7aaa871ceb78e5b80b531a7cf4f1c9.png)
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解题方法
2 . 正方形
边长为1,平面内一点
满足
,满足
的
点的轨迹分别与
,
交于
,
两点,令
,
分别为
和
方向上的单位向量,
,
为任意实数,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9545017eee79a71befee621b52c8cae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f592eafa851abc2d11bba6ed631bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.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/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304a7f07db2ec637baadf8f0ab91c85c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce1a440d286703dd8708bd214832567.png)
A.3 | B.![]() | C.![]() | D.![]() |
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名校
3 . 设平面内两个非零向量
的夹角为
,定义一种运算“
”:
.试求解下列问题,
(1)已知向量
满足
,求
的值;
(2)在平面直角坐标系中,已知点
,求
的值;
(3)已知向量
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d0692c60541a453ce8cc40c9ce9aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e16415b61722f9961e412386e6819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae66c198f254642011ce81b3eac10c69.png)
(1)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f1c99af9a35c4e6f8e7b2c937f99b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09dd1004f81418675f8cfac07219d59c.png)
(2)在平面直角坐标系中,已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f251adb39c267f761de7faa2194fa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca6d91dae021d8dd78acf8fc094f3f75.png)
(3)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f73fc24618a444515f0da58716a1fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09dd1004f81418675f8cfac07219d59c.png)
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2024-04-10更新
|
586次组卷
|
2卷引用:浙江省丽水市五校高中发展共同体2023-2024学年高一下学期4月联考数学试题
名校
解题方法
4 . 设
是单位圆上不同的两个定点,点
为圆心,点
是单位圆上的动点,点
满足
(
为锐角)线段
交
于点
(不包括
),点
在射线
上运动且在圆外,过
作圆的两条切线
.
(1)求
的范围
(2)求
的最小值,
(3)若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7818812e33052be4de712cbbbb21e2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec8858389f4c3156a946ba8bf0d8a7b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b8d5cf36f04941f4ad49fe4c5e26133.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8eb37a4dd75318dcbd836395e575bd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e438bc5acc5cc10b3e7138279949a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63a42e22f8bc63465f595caf10e5842.png)
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2024-04-01更新
|
828次组卷
|
4卷引用:浙江省精诚联盟2023-2024学年高一下学期3月联考数学试题
5 . 设函数
,若将函数
的图象向右平移
个单位长度后得到曲线
,则曲线
关于
轴对称.
(1)求
的值;
(2)若直线
与曲线
在区间
上从左往右仅相交于
三点,且
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585a3c8c2c9ea53b96f76cd1cb9d6416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdaf49f9611922348aa2784465da614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e28cc90f3ab5b1f9cc083cc21b0ff3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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6 . 海洋潮汐是在太阳和月球的引力作用下,形成的具有周期性海面上升和下降的现象.在通常情况下,船在涨潮时驶进航道,停靠码头;在落潮时离开港口,返回海洋.已知某港口某天的水深
(单位:
)与时间
(单位:
)之间满足关系式:
,且当地潮汐变化的周期为
.现有一艘货船的吃水深度(船底与水面的距离)为
,安全条例规定至少要有
的安全间隙(船底与洋底的距离).若该船计划在当天下午到达港口,并在港口停靠一段时间后于当天离开,则它最多可停留________ h.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e91406484c332ac8fc96a54c7e187b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933311c0c090e1138e4dd388b7adf8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a9e0209bd3c34aeb497317871254ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f0e934fd8dfd878076370f6d47e78ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585c0b361a3e508f3dbb27a40b2dad5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6244c4be2c661dc2166885d65bbad9c.png)
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7 . 2023年12月1日,“民族魂·中国梦——阳光下成长”2023年浙江省中小学生艺术节闭幕式暨颁奖晚会在湖州大剧院举行.为迎接艺术节闭幕式的到来,承办方计划将场地内一处扇形荒地进行改造.已知该扇形荒地
的半径为20米,圆心角
,承办方初步计划将其中的
(如下左图,点
位于弧
上,
,
分别位于半径
,
)区域改造为花卉区,扇形荒地
内其余区域改造为草坪区.
,
设计为观光步道,其宽度忽略不计.若观光步道造价为
元/米,请你设计观光步道的造价预算,确保观光步道最长时仍有资金保障;
(2)因某种原因,承办方修改了最初的改造计划,将花卉区设计为矩形
(如下右图,其中
,
位于半径
上,
位于半径
上).为美观起见,承办方最后决定将四边形
设计为正方形.求此时花卉区
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc790cfaa59a808c25a7edb95dc29fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efba1257f270da9c9f771560695ec1ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f34bc8b04e8c494b91306ac6fe352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ffc7d1af9053b027cf9e726f5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1b8bd4a2d822a44598ca977ca7355a.png)
(2)因某种原因,承办方修改了最初的改造计划,将花卉区设计为矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5561f04eac30e162a1d9774526675af8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5561f04eac30e162a1d9774526675af8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5561f04eac30e162a1d9774526675af8.png)
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8 . 函数
(
为月份),近似表示某地每年各个月份从事旅游服务工作的人数,游客流量越大所需服务工作的人数越多,则可以推断,当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
______ 时,游客流量最大.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c46ec7e4d261cc741fcdc9b0467ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d650a05237574003994766ac190c0ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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名校
解题方法
9 . 已知边长为
的正
边形
.若集合
且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd76ce38a05b798d45147dd2fe05294e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f3f27ff5801fe81ceea7e51340f25cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79775420dd7ab3b6749a40d32a8fb553.png)
A.当![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() |
D.当![]() ![]() |
您最近一年使用:0次
2024-02-23更新
|
315次组卷
|
4卷引用:浙江省宁波市九校2023-2024学年高一上学期1月期末联考数学试题
浙江省宁波市九校2023-2024学年高一上学期1月期末联考数学试题广东省江门市某校2023-2024学年高一下学期第一次质量检测数学试题(已下线)2.5 从力的做功到向量的数量积-同步精品课堂(北师大版2019必修第二册)(已下线)高一数学期末测试卷01-《期末真题分类汇编》(人教B版2019必修三+必修四)
10 . 哥哥和弟弟一起拎一重量为
的重物(哥哥的手和弟弟的手放在一起),哥哥用力为
,弟弟用力为
,若
,且
的夹角为120°时,保持平衡状态,则此时
与重物重力
之间的夹角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/105e4375167e55f565f87b77847c9ad3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
A.60° | B.90° | C.120° | D.150° |
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