名校
解题方法
1 . 在
中,角
,
,
所对的边分别为
,
,
,已知
,
,
.
(1)求
的值;
(2)求
的值;
(3)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/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f317b022b06f638d7a5d08c8cdf43a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5204b80258bb8536bd73d0221e2e3243.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcfa3e340b3976832d450dd4ae7e7a7.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afaae441de0ffcd471bd58b16cd3fbd0.png)
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名校
2 . 已知函数
,则以下结论正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d7965e727bef22e520eae65c55c0d5.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.将![]() ![]() |
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名校
解题方法
3 . 已知
的内角
的对边分别为
,且
,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.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/b414b71d5a872e2e775088cbdf4dd003.png)
A.![]() |
B.若 ![]() ![]() |
C.当![]() ![]() |
D.若 ![]() ![]() ![]() |
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名校
4 . 在
中,若
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54028f07f1e039fc140aac0d6c3bf86a.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() |
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解题方法
5 . 已知在
中,
的面积为
.
的度数;
(2)若
是
上的动点,且
始终等于
,记
.当
取到最小值时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d80664a665cbdff97f0c2c47541d71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12c3a75358a870c58549cf88b82fcc18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1384d0a02d097ac7aa8a19e8da6f9767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4538fa852e0f4961d442e9d5b96a69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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解题方法
6 . 函数
在
的最大值为m,在
的最大值为n,则以下命题为假命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c65d71e57e6e7697e2f627dcd58583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983fa8d30993077d136d644a4de7a394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca44b51af56d89266c3aba528d8a8d0.png)
A.![]() ![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() |
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名校
7 . 如图,某公园内有一块边长为2个单位的正方形区域
市民健身用地,为提高安全性,拟在点A处安装一个可转动的大型探照灯,其照射角
始终为
(其中
,
分别在边
,
上),则
的取值范围______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7023ec0f513c7d0ef86859a5ede54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5604d3e156df3e7ccca0ccec9c9d45.png)
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5卷引用:江苏省前黄高级中学2024届高三下学期三模适应性考试数学试题
江苏省前黄高级中学2024届高三下学期三模适应性考试数学试题安徽省合肥市第一中学2023-2024学年高一下学期5月期中联考数学试题(已下线)专题03 高一下期末考前必刷卷01(基础卷)-期末考点大串讲(人教A版2019必修第二册)(已下线)专题2 以平面向量数量积为背景的最值与范围问题【讲】(高一期末压轴专项)(已下线)专题03 平面向量的数量积常考题型归类-期末考点大串讲(人教B版2019必修第三册)
名校
解题方法
8 . 某商场零食区改造,如图,原零食区是区域
,改造时可利用部分为扇形区域
,已知
,
米,
米,区域
为三角形,区域
是以
为半径的扇形,且
.
外轮廓地面贴广告带,求广告带的总长度;
(2)在区域
中,设置矩形区域
作为促销展示区,求促销展示区的面积
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0947161887af7b78afde80c0cd647d58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d276b69c758da6bf9e2fb7f63130bd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab51246d895d2a255f3314c853000ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcc8f70e441df3433765f5218c81c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ebb33adb2310a6e03918761e68204a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb802b0cd77d772dceff0d9ff6c879ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81cbbac19ce207b72c990195854f6fa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
(2)在区域
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d276b69c758da6bf9e2fb7f63130bd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e5c1767a5719a03062ebb0fc5067b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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9 . 某质点的位移
与运动时间
的关系式为
,其图象如图所示,图象与
轴交点坐标为
,与直线
的相邻三个交点的横坐标依次为
,
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795d5254e8ff0ca3872d4ff964973628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa97e9662b5562eec0fbf01d784e491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9651b3131d981f7d1aceac23283e6fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a316587d6e06abd5077da16db31bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f3fa679bb55ded25a9b72a8e788cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef444655f7be171369498b89bd35c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76dde16b05fba6fc61779511e63f34fe.png)
A.![]() |
B.![]() |
C.质点在![]() |
D.质点在![]() ![]() |
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2卷引用:山西省部分学校2024届高三高考考前巩固卷数学试题
10 . 已知函数
为偶函数,将
图象上的所有点向左平移
个单位长度,再把图象上所有点的横坐标变为原来的
,得到函数
的图象,若
的图象过点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6302c662850e68c5255a179ebd235c91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6486784415f3537c9a13556c05d893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1bb3229fd3302edbee5fcb83be491d6.png)
A.函数![]() |
B.函数![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() |
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