1 . 设函数
,其中
,已知
,且
.
(1)求
的解析式;
(2)求
的单调递增区间;
(3)将
的图象向左平移
个单位长度后,得到函数
的图象,若存在
,使得
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/766fea62d09b42af8b11244a70485174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40be0cfe807b44c2b0097fdd3920cffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f5aea3655b47e34a582dc600ff61d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5518ac9acc1de1b1005188d23c8bb6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(3)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8afa701e97a54dd557f634e9a57f78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d84f2f62a7f41113c6d8e55dc99fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2 . 如图、某港口O要将一件重要物品用小艇送到一艘正在航行的轮船上,在小艇出发时,轮船位于港口O北偏西
方向且与该港口相距
的A处,并以
的航行速度沿正东方向匀速行驶,假设该小艇沿直线方向以
的航行速度匀速行驶,经过
与轮船相遇.(假设水面平静)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/19/6b7939b6-56a3-4ae7-90d0-7b6d0d796451.png?resizew=168)
(1)要使相遇时小艇的航行距离最短,小艇的航行速度应为多少?
(2)假设小艇的速度最快只能达到
,要使小艇最快与轮船相遇,应向哪个方向航行?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d1525355976915a23b0a3050e6a687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdde1bd791be76f4dfc0116f5c8dacce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6737e5a65b0067db9bdac02a52de7131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ee630252dc9ec9c8453d1561a81743.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/19/6b7939b6-56a3-4ae7-90d0-7b6d0d796451.png?resizew=168)
(1)要使相遇时小艇的航行距离最短,小艇的航行速度应为多少?
(2)假设小艇的速度最快只能达到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d568215783a27afd4041395551623c4a.png)
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5卷引用:辽宁省朝阳市建平县第二高级中学2023-2024学年高一下学期6月月考数学试题
辽宁省朝阳市建平县第二高级中学2023-2024学年高一下学期6月月考数学试题陕西省渭南市富平县蓝光中学2023-2024学年高一下学期6月月考数学试题(已下线)云南省曲靖市部分学校2023-2024学年高一下学期6月联考数学试题(已下线)专题1 以实际问题为背景的解三角形问题【讲】(高一期末压轴专项)河南省周口市鹿邑县第二高级中学校2023-2024学年高一下学期月考测试(二)(4月)数学试题
名校
解题方法
3 . 某工厂有甲、乙两个生产车间,其污水瞬时排放量
(单位:
)关于时间
(单位:
)的关系均近似地满足函数
,其图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/23/26d08519-def2-4de0-a24a-c37a31e041f7.png?resizew=162)
(1)根据图象求函数解析式;
(2)若甲车间先投产,1小时后乙车间再投产,求该厂两个车间都投产
时刻的污水瞬时排放量;
(3)由于受工厂污水处理能力的影响,环保部门要求该厂的两个车间任意时刻的污水排放量之和不超过
,若甲车间先投产,为满足环保要求,乙车间比甲车间至少需推迟多少小时投产?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ff4266515b801477248b32e10f3ac4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f42a97e3ae09c48e1d587f59af3621bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795ea8d61f4e4e138231819356f4073b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/23/26d08519-def2-4de0-a24a-c37a31e041f7.png?resizew=162)
(1)根据图象求函数解析式;
(2)若甲车间先投产,1小时后乙车间再投产,求该厂两个车间都投产
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16dca1f69db5d45d7e0195b60f546a40.png)
(3)由于受工厂污水处理能力的影响,环保部门要求该厂的两个车间任意时刻的污水排放量之和不超过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d18b1b3fa4bc1f8e48a68b9f77e37e3b.png)
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解题方法
4 . 已知函数
的部分图象如图所示.
的解析式;
(2)求
的单调递增区间;
(3)若锐角
满足
,求
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0ef9d537e1849ed448318247dce9f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(3)若锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba6ff07d9794cb287ad46e857b2669e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
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解题方法
5 . 已知
的内角
,
,
的对边分别为
,
,
,且
.
(1)求
;
(2)若
的面积为
.
①已知
为
的中点,求
的最小值;
②求内角
的平分线
的最大值.
![](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/3df022d820aeb54fdd2a9746a36a243f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c181f86de3c96a7ef7a1a04c3a438f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0e448610eac96bdd5f864f873e575d.png)
①已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
②求内角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
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解题方法
6 . 在
中,角
的对边分别为
.已知
,且
.
(1)求
;
(2)若
为边
的中点,求
的长.
![](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/c4361dd161a1a76fc21d64405686f7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb432a741c08243d6c2aa3f72fa18b03.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](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/03902478df1a55bc99703210bccab910.png)
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解题方法
7 . 已知函数
.
(1)若
,,求函数
解析式;
(2)已知
,函数
图象向右平移
个
单位,得到函数
的图象,
是
的一个零点,若函数
在
(
且
)上恰好有10个零点,求
的最小值;
(3)已知函数
,在第(2)问条件下,若对任意
,存在
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab71ec0fd3d719b7ff7206bed7d504b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c4020b17f7ad2d5f179b3f6b01898e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2091dc47caec0c6734eb058375d8a294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e8d6f968dd1b47482f1808f2c53c15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9895bf4192f5c55c16f8270d53c49b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26927f1f0be044942dfce30c3607158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7961cbe98aac6a5fdee94582c341b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8de7d589969f21c7693508cfca0c46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e538686939002a2ba06670615144c73d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83caece05b586ec9e2d6f1ec69449550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b56a0bc723618e7cdac994882c807bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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8 . 校园里有个如图的半径为4,圆心角为
的扇形花坛
,P是圆弧
上一点(不包括A,B),点M,N分别在半径
,
上.为美化校园,分别在四边形
,
和
种植红色,黄色的牡丹花,其余地方种植绿草点缀.
为矩形,求其面积最大值;
(2)若种植黄色牡丹的
和
均为直角三角形,求它们面积之和的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b16c49d16305cf1afacc5a9e2bf7e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a163fbf4333651741cec447995092a19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35a9ec7088381262f8ca327bd377660.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b16c49d16305cf1afacc5a9e2bf7e9a.png)
(2)若种植黄色牡丹的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a163fbf4333651741cec447995092a19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35a9ec7088381262f8ca327bd377660.png)
您最近一年使用:0次
名校
解题方法
9 . 古希腊数学家托勒密对凸四边形(凸四边形是指没有角度大于180°的四边形)进行研究,终于有重大发现:任意一凸四边形,两组对边的乘积之和不小于两条对角线的乘积,当且仅当四点共圆时等号成立.且若给定凸四边形的四条边长,四点共圆时四边形的面积最大.根据上述材料 ,解决以下问题,如图,在凸四边形
中,
,
,
,
(图1),求线段
长度的最大值;
(2)若
,
,
(图2),求四边形
面积取得最大值时角
的大小,并求出四边形
面积的最大值;
(3)在满足(2)条件下,若点
是
外接圆上异于
的点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422f54faa21cdabc65b912b0e76eb68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212bfbd5575772ca36d6fc3e7b246e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c41757ae282475fb29ec1e8e02045d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(3)在满足(2)条件下,若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdb21011ea821b91d539cb763aac649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b94fd6403a7f18702993f80e29bfe1.png)
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2024-06-18更新
|
425次组卷
|
3卷引用:辽宁省协作校2023-2024学年高一下学期5月期中考试数学试题
辽宁省协作校2023-2024学年高一下学期5月期中考试数学试题安徽省阜阳市第三中学2023-2024学年高一下学期第二次调研(期中)数学试题(已下线)第9题 解三角形在几何图形中的应用(高一期末每日一题)
名校
解题方法
10 . 已知
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33511b01d9202e3c7b6ee2fe868dd223.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bc8a1f4b3350aacce0ae42f15166e5e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/298765a228db3cb3ad4ea8982270eecc.png)
您最近一年使用:0次
2024-06-18更新
|
414次组卷
|
2卷引用:辽宁省朝阳市建平县第二高级中学2023-2024学年高一下学期6月月考数学试题