1 . 如图,一个几何体的上半部分是一个圆柱体,下半部分是一个圆锥体,圆柱体的高为
,圆锥体的高为
,公共的底面是半径为
的圆形,那么这个几何体的体积为___________
,表面积为___________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0d9dcfe27aba4329859315a1b85121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1690f7138815cc7383d75407e002cd64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0d9dcfe27aba4329859315a1b85121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eab9bcb68861b73f12a65eb9e94700d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c901bcdfa58f0c68ad0161b0bab269.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/05129aa1-9685-4ab6-a2c4-f3c0fc999ed0.png?resizew=95)
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2 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9736ceda27b562cd38e1df65a740ad6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
A.是奇函数,且在![]() |
B.是奇函数,且在![]() |
C.是偶函数,且在![]() |
D.是偶函数,且在![]() |
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2022-01-13更新
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5卷引用:湖北省公安县等六县2021-2022学年高三上学期质检考试数学试题
湖北省公安县等六县2021-2022学年高三上学期质检考试数学试题河南省南阳市第一中学校2021-2022学年高三上学期第一次网上训练数学(文)试题(已下线)专题10 对数与对数函数(已下线)3.4 对数运算及对数函数(精练)-【一隅三反】2023年高考数学一轮复习(提升版)(新高考地区专用)(已下线)专题10 对数与对数函数-3
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3 . 如图,平面
平面
是边长为4的正三角形,
分别为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/8/8c403ef5-0890-4fb1-bdef-6e24a3ee79c7.png?resizew=221)
(1)求证:
;
(2)求平面
与平面
的夹角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf6dc837ae85207789b94d109c5c2eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e250fc96741d02006691a051058696cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c433e1a80d5bc55f96a906c90677cf16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5016f2cf1328d15d090597514b63045.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/8/8c403ef5-0890-4fb1-bdef-6e24a3ee79c7.png?resizew=221)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3f5dc11efe60b4fd9a13b1d6b83842.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d78fc7fcb2762de28dcef8aa3aa0e49.png)
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2卷引用:湖北省公安县等六县2021-2022学年高三上学期质检考试数学试题
4 . 如图,在正四面体
中,
为
中点,
是棱
上的动点,则当异面直线
与
所成角的正弦值最小时,
( )
![](https://img.xkw.com/dksih/QBM/2022/1/5/2869532678864896/2893705660981248/STEM/b8cd9306199c439f884763a9d44fd69d.png?resizew=177)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdae3c1f3136e7e74d2fbcba051e804b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f8fe3a5f1f9a2de0cbadd598392ff4.png)
![](https://img.xkw.com/dksih/QBM/2022/1/5/2869532678864896/2893705660981248/STEM/b8cd9306199c439f884763a9d44fd69d.png?resizew=177)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 设函数
,其中
.
(1)讨论
的单调性;
(2)若
的图象与
轴没有公共点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a5755f31365ea7ba4b621d96f2916d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 如图,
为圆锥的顶点,
是圆锥底面的圆心,
为底面直径,且
是底面
的内接正三角形,
为线段
上一点,
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/4caa85bf-51fb-4380-8d92-7e70ef483693.png?resizew=185)
(1)求
的值;
(2)求
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d59f07a0acac55063ccc2bbe3014f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b63d2504bd3ecce8c10560b142356f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1299911bbc95947b055a0dcbfec4fe63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/4caa85bf-51fb-4380-8d92-7e70ef483693.png?resizew=185)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf12905647aeeded72bbca21a63f319.png)
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解题方法
7 . 如图,在矩形
中,
为边
的中点,若
为折线段
上的动点,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d483d64697d534891f1265441f6c515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/678b28fddb166d90878d24d6e5481080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6983a471f24a61ef9ba49b814bf994c.png)
![](https://img.xkw.com/dksih/QBM/2022/1/5/2869532678864896/2893705661898752/STEM/135bde00a9f94566a704945ecc9bbd47.png?resizew=194)
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2022-01-13更新
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3卷引用:湖北省公安县等六县2021-2022学年高三上学期质检考试数学试题
湖北省公安县等六县2021-2022学年高三上学期质检考试数学试题(已下线)第05讲 平面向量-【寒假自学课】2022年高一数学寒假精品课(苏教版2019必修第二册)安徽省六安市舒城中学2021-2022学年高二下学期第二次月考数学试题
解题方法
8 .
的内角
的对边分别为
,已知
.
(1)求角C;
(2)若
,求
的面积.
![](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/19dca4a00f716e4477addd8483f321b1.png)
(1)求角C;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f842a201f8850bf9faa27085fab8c389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解题方法
9 . 已知等差数列
为其前
项和,且
.
(1)求数列
的通项公式;
(2)若
为数列
的前
项和,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4930a369c43166fbb10757a42339ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8312410c4b1996446aff611c0cd30810.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d2bdaeb855edb4680c46b98e56d34b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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2卷引用:湖北省公安县等六县2021-2022学年高三上学期质检考试数学试题
10 . 如图是古希腊著名的天才几何学家希波克拉底用于求月牙形图形面积所用的几何图形,先以
为直径构造半圆
,
为弧
的中点,
为线段
的中点,再以
为直径构造半圆
,则由曲线
和曲线
所围成的图形称为月牙形.若已知该月牙形的面积为
,
,则
与
的关系式是___________ .
![](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/c5db41a1f31d6baee7c69990811edb9f.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a0d238b6e9b49bbea22a79402e8e4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e52704c3a902e1ca64419f38485e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/87fc1cc5-bb65-4b3d-a4d1-16de1356676a.png?resizew=186)
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