1 . 如图,在四棱锥
中,平面
平面
,且
.
平面
;
(2)求平面
与平面
夹角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c44e2bcc0652e34df5bb6b757e1c87fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b51ff40e646b5b34748a783fcf135e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
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2024-06-12更新
|
997次组卷
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2卷引用:重庆市永川北山中学校2024届高三下学期高考预测卷(最后一套)数学试题
2 . 在平面直角坐标系中,
为坐标原点,动点
到定点
的距离和它到定直线
的距离之比是常数
,设动点
的轨迹为曲线
.
(1)求曲线
的方程;
(2)过点
的直线与曲线
相交于点A,B(不在x轴上),记线段AF的中点为
,连接PO,并延长PO交曲线
于点
,求
与
的面积之和的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495bb3e5a3a9d35f5c9f0cf1f5d51876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ecceb75be8d4fe129fa91f6e9a9809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/61c3efa51eb7171cd819f5eeb1286ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdbad58593bfa5ac1299de80c5a0f9d3.png)
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2024-05-12更新
|
452次组卷
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4卷引用:重庆市永川北山中学校2024届高三下学期高考预测卷(最后一套)数学试题
名校
3 . 已知甲箱中有2个白球和4个红球,乙箱中有4个白球和2个红球.质点从原点出发,每次等可能的向左或向右移动一个单位,记事件
“质点移动6次,最终在2的位置”.
发生的概率;
(2)若事件
发生,从甲箱中取一球,否则从乙箱中取一球.求取出的球是红球的概率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若事件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2024-05-11更新
|
776次组卷
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3卷引用:重庆市永川北山中学校2024届高三下学期高考预测卷(最后一套)数学试题
重庆市永川北山中学校2024届高三下学期高考预测卷(最后一套)数学试题四川省南充市第九中学2023-2024学年高二下学期5月月考数学试卷(已下线)第七章:随机变量及其分布章末重点题型复习-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第三册)
解题方法
4 . 已知二次函数
的最小值为1,且
.
(1)求
的解析式;
(2)当
时,
恒成立,求实数
的取值范围.
(3)若
在区间
上不单调,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bf2c692b53c12d792878d65bf3bfad.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd448834c4d17d429c177a02fd8dcc29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e51a61b0856fd5dfa8b05c8ee2e329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/629baf26a3d7eeee639e985e252a03c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 已知函数
.
(1)判断
的奇偶性,并说明理由;
(2)判断
在区间
上的单调性,并用定义证明;
(3)求函数
在
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4a76de7035cad30b98a72986bf80aac.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/879234adbae93aa72b7e101b3738d4e0.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bacbd8f85c7ed750646ecf8f5b11071.png)
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6 . 已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ee9edd553df8d3f22376ad96a25523.png)
(1)若
, 求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b29b38819aac5ef3d774b9a38bd70c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ee9edd553df8d3f22376ad96a25523.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d318d706ca4ec954246a292293b91a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
7 . 已知
,求:
(1)
的最小正周期及单调递增区间;
(2)
时,
恒成立,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a08e86a3e2d89f8e6c0c01d8c78c524.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd65d7c5e979706d391163aee2c18cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21a4e06726e721f1b50b7a7ecc638608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-01-17更新
|
1339次组卷
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8卷引用:重庆市永川区北山中学2024届高三上学期期中数学试题
重庆市永川区北山中学2024届高三上学期期中数学试题江西省宜春市宜丰县宜丰中学2023-2024学年高一上学期1月月考数学试题江西省上饶艺术学校2024届高三上学期1月月考数学试题(已下线)考点11 倍(半)角公式及其应用 --2024届高考数学考点总动员【讲】福建省福州第二中学2023-2024学年高二上学期第二学段考试数学试题福建省莆田市2023-2024学年高一上学期期末数学试题云南省昭通市水富市第一中学等三校联考2023-2024学年高二下学期开学考试数学试卷(已下线)模块二 专题1 三角函数的最值与范围问题(人教B版)
名校
8 . 已知函数
.
(1)当
时,求在曲线
上的点
处的切线方程;
(2)讨论函数
的单调性;
(3)若
有两个极值点
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56cd36f69a3344ba3a1c9e49818ef63c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3ea1b433cf65575aeeb181b3ad8544.png)
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2024-01-17更新
|
1315次组卷
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6卷引用:重庆市永川区北山中学2024届高三上学期期中数学试题
名校
解题方法
9 . 在
中,角A、B、C所对的边分别为a、b、c,且
.
(1)求角
的大小;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e843a164cf03f83e47c1d5695ba24e3.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae57111696a9d05c552b4fa36c99897d.png)
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名校
10 . 已知椭圆
的长轴长是短轴长的2倍,左焦点为
.
(1)求椭圆
的方程;
(2)若
是椭圆
的右焦点,过点
且斜率为1的直线交椭圆
于
两点,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17618d8d22ebb3fd6835a7eb139b4f95.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b5c81ee16e93e9822c4dc54c362cb3.png)
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