名校
解题方法
1 . 已知函数
的最小正周期为
.
(1)求
的值;
(2)若方程
在区间
上有两个不等的实根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f47997b5b1419183f41ee7dc0adf63ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff14bdd7f2b48c0ce6ba8696c89fbf68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-11-19更新
|
441次组卷
|
2卷引用:云南省昆明市第八中学2023-2024学年高二上学期期中数学试卷
2 . 某新能源汽车制造公司,为鼓励消费者购买其生产的新能源汽车,约定从今年元月开始,凡购买一辆该品牌汽车,在行驶三年后,公司将给予适当金额的购车补贴.某调研机构对已购买该品牌汽车的消费者,就购车补贴金额的心理预期值进行了抽样调查,得其样本频率分布直方图如图所示.其中
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/f245c8e3-b9a2-41ca-a91f-0b81dcaaa29a.png?resizew=258)
(1)估计已购买该品牌汽车的消费群体对购车补贴金额的心理预期值的平均数(同一组数据用该区间的中点值作代表)和中位数;(精确到0.01)
(2)现在要从购车补贴金额的心理预期值在
间用分层抽样的方法抽取6人,再从这6人中随机抽取2人进行调查,求抽到2人中购车补贴金额的心理预期值都在
间的概率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74bbed94c431ad1868217f49ef862450.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/f245c8e3-b9a2-41ca-a91f-0b81dcaaa29a.png?resizew=258)
(1)估计已购买该品牌汽车的消费群体对购车补贴金额的心理预期值的平均数(同一组数据用该区间的中点值作代表)和中位数;(精确到0.01)
(2)现在要从购车补贴金额的心理预期值在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97a5232c461d270a56a82dc9e5da934c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b134f9946d3f29f6e2452f2f07f8d9.png)
您最近一年使用:0次
3 . 如图,在四棱锥
中,
平面
,底面
是矩形,
,M是
上一点,
平面
.
从下面三个条件中任选一个补充在下面的横线上,并作答:①异面直线CD与BM所成角的正切值为
;②直线PC与平面ABCD所成角的正弦值为
;③点D到平面ACM的距离为
;
若______,求平面MAB与平面MBC夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f5facab277f2687dfc1668738957849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0651af49ab42b58098873b46975650.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68a7bf0da4f7c6f739d2e2461ad9b7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/013da6e5-95f2-4c1a-ae64-15916ff48f99.png?resizew=169)
从下面三个条件中任选一个补充在下面的横线上,并作答:①异面直线CD与BM所成角的正切值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38be38165dc2307982fc57001a447c56.png)
若______,求平面MAB与平面MBC夹角的余弦值.
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解题方法
4 . 已知
的内角
的对边分别为
,且
.
(1)求
;
(2)若
的面积为
,求
.
![](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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/474d081aa0d84b441ee56058371f5058.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/974880411ca012a52a8785f65af49fe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
5 . 已知圆
,直线
与圆
交于
两点.
(1)求圆
的标准方程;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d1fc38e1f9cc1c5e28cd7b7049f677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f52cb58b6bc5d71030463ba7e28134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
您最近一年使用:0次
解题方法
6 . 已知直线l经过点
.
(1)若l在两坐标轴上的截距相等,求l的斜截式方程;
(2)若l与圆
相切,求l的一般式方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b334e2eaa7e8fb79cef8208b56ee4f5.png)
(1)若l在两坐标轴上的截距相等,求l的斜截式方程;
(2)若l与圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a3a9c95ae3a112fd243605c38fc90a.png)
您最近一年使用:0次
2023-11-15更新
|
142次组卷
|
2卷引用:云南省楚雄州2023-2024学年高二上学期期中教育学业质量监测数学试题
名校
解题方法
7 . (1)设
,证明:
;
(2)设
,若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b2af3a85125e3b5d96f41a5093f945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a2b9f08554b5bb8169baa7b78dc433.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a62136854ccb63acd858f464783416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1fae58a5148cbb891e833a77404ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
8 . 如图,在直三棱柱
中,
,
,P,Q,R分别是
,
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/4510c3b9-50ae-4d7b-90e4-78f5cadf16b2.png?resizew=181)
(1)证明:
平面
.
(2)求
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b741da00f6d5a6170f19a2c1d038bda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc2b29fee2f6e89c7f4ff17f7c6545bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/4510c3b9-50ae-4d7b-90e4-78f5cadf16b2.png?resizew=181)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72221ee5b504d596ff799c0b356aa0ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dac83f99ecf60629c6b9367b6ed9d72.png)
您最近一年使用:0次
2023-11-13更新
|
209次组卷
|
3卷引用:云南省楚雄州2023-2024学年高二上学期期中教育学业质量监测数学试题
解题方法
9 . 如图,在圆锥
中,
是底面圆的直径,C,D是圆
上的两点,
,
,
为母线
上的一点.
(1)证明:平面
平面
.
(2)若直线
与平面
所成角的正弦值为
,求
.
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69530c933e0a48573a5dd97a5f5a419e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/15ac38ee-602c-49af-8403-d15294ff14aa.png?resizew=146)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da05ded8b60b97142b4d975ffe782c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802e162b98c280720fcb909cf392fda3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a56f51a6312441f9f07daf7e62ff41.png)
您最近一年使用:0次
2023-11-13更新
|
217次组卷
|
2卷引用:云南省楚雄州2023-2024学年高二上学期期中教育学业质量监测数学试题
10 . 已知
为圆
:
上一动点,点
,
为
的中点.
(1)求
的轨迹方程;
(2)若
为圆
上一动点,在直线
:
上存在点
,使得
最小,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bda45b7f565147f18a5c83bb8a23142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94fcf57347aec685a8fca271aba14eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9eb277d8ddbf21364baa8cf01628e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9eb277d8ddbf21364baa8cf01628e8.png)
您最近一年使用:0次
2023-11-13更新
|
432次组卷
|
3卷引用:云南省楚雄州2023-2024学年高二上学期期中教育学业质量监测数学试题
云南省楚雄州2023-2024学年高二上学期期中教育学业质量监测数学试题福建省泉州市安溪县2023-2024学年高二上学期11月期中考试数学试题(已下线)专题19 曲线与方程4种常见考法归类-【考点通关】2023-2024学年高二数学高频考点与解题策略(人教B版2019选择性必修第一册)