解题方法
1 . 已知函数
(
,
,
,
)的图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/10108d1a-d97b-4fab-b1bf-537828d7f5ca.png?resizew=149)
(1)求
的解析式;
(2)已知函数
与函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
的图象在
上交点的横坐标从小到大依次为
,
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fcd3cea5f5e2fe943490dcb65d74c73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c0132454e4475c3fbddcbfdfc4fab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af87a22a39bd12c4734b0bdf1596b42a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aedc1c8a16e306bcd6e5154f9ed6dfc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/10108d1a-d97b-4fab-b1bf-537828d7f5ca.png?resizew=149)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196966f9a378d3e7629fa08512bca8a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062bdfe9747acb9399c7c756926323e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be77060fdb46cc55deef393f43dfec3b.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f97408c4212ad3cc4f34bf28604bd9.png)
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2 . 已知函数
(
,
),当
时,
取得最大值为1,当
时,取得最小值为
,且
在区间
上单调递减.
的解析式并且作出
在区间
的图象;
(2)当
时,函数
恰有三个不同的零点
(
),求:
①实数a的取值范围;
②
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a067e86ae162185a04bdf862b40cd255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9531427f246890e815b7ed47e78daa78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78400721e9ff4c345ea1194dba304ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955f81cf5014070627423e79a61b01f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40fc347057c9a0fce3442a5720423860.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/3cd74de62cd6ee7140e8d7558d822624.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b3e24e0f81f949abd031073a6346d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a79534888449d1d808fb981bbed56ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
①实数a的取值范围;
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b3a9b6aaaac1fca43e657d607f4c4e.png)
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3 . 已知函数
的最小正周期为
,且直线
是其图象的一条对称轴.
(1)求函数
的解析式;
(2)在
中,角A、B、C所对的边分别为
,且
,若
角满足
,求
的取值范围;
(3)将函数
的图象向右平移
个单位,再将所得的图象上每一点的纵坐标不变,横坐标伸长为原来的2倍后所得到的图象对应的函数记作
,已知常数
,且函数
在
内恰有2023个零点,求常数
与
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06639527a6fb4cb468839dea5ce722a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c366dcd7fdd83db8578a19499ffed0.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d524ac6b23b0366da90907f6d315ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c775442038b695b27ac052e3486c6c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
(3)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78075e03cb776042b3b334f18f912488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faad4a9ecfb6b5f5b1dc3e2f43ad219f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c07c496500d66cbd74e1070e1c7c1d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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5卷引用:四川省2022-2023学年高一下学期“贡嘎杯”期末质量检测考试数学试题
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4 . 在中,
,
,
,分别是角
,
,
的对边,请在①
;②
两个条件中任选一个,解决以下问题:
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)如图,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6abc7521b1c18ac5904da31d56f3d971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0bfd095e57cfa2719e53a838301b4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5634a208294350f8ec151cd19b6d3278.png)
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5卷引用:四川省成都市成都市石室中学2022-2023学年高一下学期期末数学试题
四川省成都市成都市石室中学2022-2023学年高一下学期期末数学试题江西省萍乡市安源中学2022-2023学年高一下学期期末质量检测数学试题(已下线)专题02 解三角形(2)-【常考压轴题】(已下线)第一次月考卷02-《重难点题型·高分突破》(人教A版2019必修第二册)(已下线)第11章 解三角形 单元综合检测(难点)--《重难点题型·高分突破》(苏教版2019必修第二册)
解题方法
5 . 已知函数
,函数
的图象向左平移
个单位,再向上平移1个单位得到
的图象,
.
(1)若
,求
;
(2)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/069c32e9856f6e9adfa5b915f4fc3204.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd9ecd1faf72cdd1d718ed3f6b5b739.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45eb31740fad26b78de0fa3044535c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315ca8a798942454611c9a9fd7e7f454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef85b287d0fc9611ac7ba4bade11d864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45bc85e19745af6992cbb72c3fd79ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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9卷引用:四川省成都市十县市2022-2023学年高一下学期期末调研数学试题
四川省成都市十县市2022-2023学年高一下学期期末调研数学试题(已下线)模块六 专题3 全真能力模拟1 期末研习室高一人教A(已下线)第五章 三角函数(压轴题专练)-速记·巧练(人教A版2019必修第一册)(已下线)专题5.6 函数y=Asin(ωx+φ)-举一反三系列(已下线)5.6 函数y=Asin(ωx+φ)(精练)-《一隅三反》系列(已下线)模块二 专题4《三角函数的图像和性质》单元检测篇 B提升卷 (人教A)(已下线)高一上学期数学期末考测试卷(基础)-《一隅三反》(已下线)高一上学期期末考试解答题压轴题50题专练-举一反三系列(已下线)专题17 三角值域问题
6 . 已知
为坐标原点,对于函数
,称向量
为函数
的联合向量,同时称函数
为向量
的联合函数.
(1)设函数
,试求函数
的联合向量的坐标;
(2)记向量
的联合函数为
,当
且
时,求
的值;
(3)设向量
,
的联合函数为
,
的联合函数为
,记函数
,求
在
上的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66655b7a6825b124ce596197bf2aa14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b84dac41f87e939f6cc39f38dc59b78d.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/e723e57753f0a4fe1ef8ca1aee0e2117.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e55ab02325419a2e1e99077f2f35fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)记向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffe91c3b3290e5eb048b0028b0a5686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a23ec821b5896710d79bfe703cec01a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d3fa686db08faac289451eb2d93e764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc8c56d09485b718a85ed23f637e2d77.png)
(3)设向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2d3ef093c334a4b053be866f1d4a36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b8e5990ef4ef314941a3154457a9d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74eb7b0102cd1255713df18ecc7d171a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45862edae199fc9a1683f8c6fb233ee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e256ffedf7b1835be1b2d949b2f3d12f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20bc169b402b64f7c552431c86b63aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
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解题方法
7 . 蜀绣又名“川绣”,与苏绣,湘绣,粤绣齐名,为中国四大名绣之一,蜀绣以其明丽清秀的色彩和精湛细腻的针法形成了自身的独特的韵味,丰富程度居四大名绣之首.1915年,蜀绣在国际巴拿马赛中荣获巴拿马国际金奖,在绣品中有一类具有特殊比例的手巾呈如图所示的三角形状,点D为边BC上靠近B点的三等分点,
,
.
,求三角形手巾的面积;
(2)当
取最小值时,请帮设计师计算BD的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a58a622e2b1a239f2f96aa1501e9799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2bdcd23d2c26d9df0b4756d8a715673.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/746853ea6d76bd7cccc6bdd6c739aed7.png)
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2023-07-12更新
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9卷引用:四川省成都市府新区2022-2023学年高一下学期期末数学试题
四川省成都市府新区2022-2023学年高一下学期期末数学试题四川省南充高级中学2023-2024学年高一下学期第二次月考(5月)数学试卷上海市普陀区晋元高级中学2024届高三上学期秋考模拟数学试题江苏省镇江市丹阳高级中学2024届高三下学期2月阶段检测数学试题重庆市万州区万州第一中学2023-2024学年高一下学期3月月考数学试题广东省深圳市龙华区深圳市致理中学2023-2024学年高一下学期3月月考数学试题重庆市乌江新高考协作体2023-2024学年高一下学期第一阶段学业质量联合调研抽测(4月)数学试题福建省泉州市泉州一中、泉港一中、厦外石狮分校三校联盟2023-2024学年高一下学期5月期中联考数学试题河南省信阳市信阳高级中学贤岭校区2023-2024学年高一下学期6月月考数学试题
解题方法
8 . 在
中,角
所对的边分别是
,设
若
.
(1)当
,求
面积的最大值;
(2)求
的值域.
![](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/e326cbf2d4ba5c2d15240b4f78f6a36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c275fcee18d7eddc6e0c60e0018372.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fa79a550591eb9e1bd07bced3a08fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8b900590bb50ebad1e976d1ac85837.png)
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名校
解题方法
9 . 在①
;②
;③设
的面积为
,且
.这三个条件中任选一个,补充在下面的横线上.并加以解答.
在
中,角
,
,
的对边分别为
,
,
,已知__________,且
.
(1)若
,求
的面积;
(2)若
为锐角三角形,求
的取值范围.(如果选择多个条件分别解答,按第一个解答计分)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb7bf13a735d0beebd85f7e7d101488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f707216c0d2cd7d2c7ec788cd67fce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be49a7cf070944ed151839a8c0983bec.png)
在
![](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/6129fbf40a950fc8c516f0abaab21957.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d803e27871810c6b8a7d6169144dd61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413323ab92f73c1eabb235731bb5c399.png)
您最近一年使用:0次
2023-06-29更新
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1444次组卷
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10卷引用:四川省2022-2023学年高一下学期“贡嘎杯”期末质量检测考试数学试题
四川省2022-2023学年高一下学期“贡嘎杯”期末质量检测考试数学试题江苏省镇江市2022-2023学年高一下学期6月期末数学试题(已下线)模块一 专题2 解三角形中的最值问题(高一人教B)(已下线)模块一 专题2 解三角形中的最值问题(已下线)模块四 专题6 暑期结束综合检测6(能力卷)江苏省南通市如皋中学2023-2024学年高三上学期期初测试数学试题山东省青岛市第五十八中学2023-2024学年高一下学期期中考试数学试题(已下线)高一下学期期末数学试卷(提高篇)-举一反三系列(人教A版2019必修第二册)(已下线)高一下学期期末复习解答题压轴题二十四大题型专练(1)-举一反三系列(人教A版2019必修第二册)【江苏专用】专题07解三角形(第三部分)-高一下学期名校期末好题汇编
名校
10 . 设平面向量
、
的夹角为
,
.已知
,
,
.
(1)求
的解析式;
(2)若
﹐证明:不等式
在
上恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956879af388928628970155bdb5c2737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8e69e4abd4e261077ed177c25ff74d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e074c209d628251349ecb15d76dfaa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafdd5eff594c3ac6bc585b05c644fe5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31bcd4e186c9b564603e00e4dfd0e8dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe58c11b71e0ce7e6263b8112aa6140c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51742bc5df0b18cd3a6ca5abfb373bcc.png)
您最近一年使用:0次
2023-06-28更新
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405次组卷
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3卷引用:四川省达州市2022-2023学年高一下学期期末数学试题