名校
解题方法
1 . 已知向量
,
,且
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a0d3c478b40f1dfa0de9d79ebc8443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa26b61b0758f2c3c4f41eb898cff49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7b612e3cd15a176a0d6f063e477a35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.8 | B.![]() | C.4 | D.![]() |
您最近一年使用:0次
2023-04-28更新
|
1006次组卷
|
3卷引用:宁夏回族自治区银川一中2023届高三二模数学(理)试题
2 . 已知函数
,以下说法中,正确的是( )
①函数
关于点
对称; ②函数
在
上单调递增;
③当
时,
的取值范围为
;
④将函数
的图像向右平移
个单位长度,所得图像对应的解折式为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52404ab678f9230aeae65a6fa9ab390.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84e2a02b32a01b13d65e5e9c4554c59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8120d5e711d96d2deabea5afc93c412f.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdfc9192f40e0cca280cd20261b5e1c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd243fab0af865af67a2ab817e909cf5.png)
④将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb076bad84890e24dbdc945ad543cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ccc4e68700903027a54106bb42680a2.png)
A.①② | B.②③④ | C.①③ | D.② |
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2023·全国·模拟预测
名校
3 . 山西应县木塔(如图1)是世界上现存最古老、最高大的木塔,是中国古建筑中的瑰宝,是世界木结构建筑的典范.如图2,某校数学兴趣小组为测量木塔的高度,在木塔的附近找到一建筑物
,高为
米,塔顶
在地面上的射影为
,在地面上再确定一点
(
,
,
三点共线),测得
约为57米,在点
处测得塔顶
的仰角分别为30°和60°,则该小组估算的木塔的高度为__________ 米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e56e21a9e25f762fbf4b1a143b128aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/28/573f9a04-7f7d-48f6-aaa5-cf6203df303e.png?resizew=401)
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名校
解题方法
4 . 在
中,角
,
,
的对边分别是
,
,
,已知
.
(1)求角
的大小;
(2)若
,
,
为
的中点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4542e5dfa3702fb2824682f0731a1c9e.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e15cbd7c42d7b15d7ba8d2b28ab8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae7888d643678ea18f83f3237732052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dbd11bd4c28ab119012977e36c12a56.png)
您最近一年使用:0次
2023-04-26更新
|
1710次组卷
|
3卷引用:宁夏回族自治区银川一中2023届高三二模数学(文)试题
5 . 英国数学家泰勒1712年提出了泰勒公式,这个公式是高等数学中非常重要的内容之一.其正弦展开的形式如下:
,(其中
,
),则
的值约为(1弧度
)( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4febb30ed7022bb9df6ca276e0c7c6f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd7357e3b1e1daf42d14973ac0f07a56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf210603c0f531bf149827e83b87342d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-04-23更新
|
962次组卷
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4卷引用:宁夏回族自治区银川一中2023届高三三模数学(理)试题
宁夏回族自治区银川一中2023届高三三模数学(理)试题黑龙江省哈尔滨市第三中学校2023届高三三模数学试题(已下线)第十章 导数与数学文化 微点2 导数与数学文化(二)宁夏石嘴山市平罗中学2023-2024学年高三上学期1月期末考试理科数学试卷(A)
6 . 已知函数
,如图是
的部分图象,则
在区间
上的值域是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02b3e8da69029d662bd3973b704bba4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07ad9879326a9f7d1f70dd65e73a2a6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/24/522676f0-68f9-4ab6-9d33-6aa65d59e817.png?resizew=181)
您最近一年使用:0次
7 . 已知
是定义域为
的函数,
为奇函数,
为偶函数,则有①
为奇函数,②
关于
对称,③
关于点
对称,④
,则上述推断正确的是( )
![](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/ee798afc6ca1bbee1f324fc7e0abafd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18377150b1ced455e66c9054f7305379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2a5e336b6bcba6354fd366c892dd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2635c6e599f816c706e471a3c197d5.png)
A.②③ | B.①④ | C.②③④ | D.①②④ |
您最近一年使用:0次
解题方法
8 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e5a17ebf6d10d5140448c6d2b7c2a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/977b0af367220ae067e722e02dbafc49.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知
的内角
,
,
所对的边分别为
,
,
.向量
,
,
.
(1)若
,求证:
为等腰三角形;
(2)若
,
,
求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e93158312ff273fb44ec61c378e1bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d45efd49f85007bb339f2005b8708b16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265cb0355ca0cead14441e9c47852532.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/186bfa7cf4f9ac193dcf8ad8bed8d8be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7436e91f248c831bfc0ce091060fecff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e899c486dc49e560fc4aca05e16835b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-04-21更新
|
485次组卷
|
2卷引用:宁夏回族自治区石嘴山市大武口区石嘴山市第三中学2023届高三三模数学(文)试题
名校
解题方法
10 . 在①
,
,
;②
;③
三个条件中任选一个,补充在下面的问题中,并解决该问题.在
中,内角
的对边分别是
,且满足________.注:如果选择多个条件分别解答,按第一个解答计分.
(1)求角
;
(2)若
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce986626e776d5cfa4319d85d62ad3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b27f3e9e42cfdd7c126f9af2476fc14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b907456faac5d0995bd73f7da94c9b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18f4e1a24fc4a8672e39bfdf5e2e1af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2793b77d558fe7051e0c33d058da4c43.png)
![](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)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2023-04-17更新
|
1599次组卷
|
5卷引用:宁夏石嘴山市平罗中学2023届高三第四次模拟数学(文)试题