名校
解题方法
1 . 如图,OABC为正方形,
,
,点
为直角坐标平面内的一点,M为线段
的中点,设
.
的表达式;
(2)当
取最大值时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d1e4a02f6a99a4b838dcaf9541d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7720309624a5e413f5e612bd492effe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14bd827d062f09a35e6e5ad95ec71aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3080c6aeb9eee2ba1adb83a8947bc5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e1d3f78a802596b825166767ceee40.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e1d3f78a802596b825166767ceee40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
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名校
解题方法
2 . 已知
,
,且
,
.
(1)求
的值;
(2)求角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb1340fb30345037ab24a4324207368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f23e30e978228f5d4406fce12cd3e40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04ca22dba343e23584976deeedf071f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a009ce821e3add1f56315dd54826307.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5653b4620620d07b555e4a6c9ff91f6.png)
(2)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd927b4b5a7875528c1b54aa4bb8b2dd.png)
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名校
解题方法
3 . 若
,
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b4cab645c97f6d1710f803ef6a8436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f55b8836b41be612a52ca9caf97006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a2b8dae45cd30a752aedb1ca66c30a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e976891142f43f8b63cbadf4a040fe.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8158787900da5f72485c21a9d43a9e06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e976891142f43f8b63cbadf4a040fe.png)
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2024-04-17更新
|
569次组卷
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2卷引用:四川省遂宁市射洪中学校2023-2024学年高一下学期5月期中考试数学试题
名校
5 . 在
中,内角
的对边分别为
,且
.
(1)求
.
(2)若
,点
是边
上的两个动点,当
时,求
面积的取值范围.
(3)若点
是直线
上的两个动点,记
.若
恒成立,求
的值.
![](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/38e316ce37a4e6964f2872471ba6035d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1113ce8ff2b2113a466e8cdaf05dff89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2264aa0d66a9542095586afb611c048d.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9709ce2ca2e90912412c50332f6778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe8975e2f0098642933c12ac5a8ba932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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2024-04-16更新
|
1226次组卷
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7卷引用:四川省渠县中学2023-2024学年高一下学期半期考试数学试题
名校
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad993ff2988d0847a6f2b14681536f69.png)
(1)求
的最小正周期;
(2)求
的最大值及取得最大值时x的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad993ff2988d0847a6f2b14681536f69.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2024-04-16更新
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848次组卷
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3卷引用:四川省内江市2023-2024学年高一下学期4月期中联考数学试题
名校
7 .
的内角
的对边分别为
,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c16db9a4e4301cfe56070aa7df9f1c.png)
(1)求
;
(2)
的角平分线与
交于点
,求
的最小值.
![](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/52c16db9a4e4301cfe56070aa7df9f1c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e14d71667c64ab37596ff76207c7a82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/451be539a00c5a0fa9e00fc9bf4c39fd.png)
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2024-04-16更新
|
624次组卷
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4卷引用:四川省攀枝花市第三高级中学2023-2024高一下学期第二次月考数学试题
四川省攀枝花市第三高级中学2023-2024高一下学期第二次月考数学试题山东省学情2023-2024学年高一下学期第一次阶段性调研数学试题(已下线)4.3 二倍角的三角函数公式-同步精品课堂(北师大版2019必修第二册)(已下线)专题06 解三角形综合大题归类(2) -期末考点大串讲(苏教版(2019))
8 . 若
的内角
所对的边分别为
,且满足
,则( )
![](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/3e86e097029b443a1fa263164f25163a.png)
A.角![]() | B.![]() |
C.![]() | D.角![]() ![]() |
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名校
9 . 已知函数
的图象的相邻两条对称轴的间距为
,将函数
的图象上的每一个点的纵坐标保持不变,横坐标变为原来的
倍,得到函数
的图象.
(1)求函数
的单调递增区间;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c855d1f02b699be6f32c2af283cf8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe0c47f40dc369360bbf8d539abbaa5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6368bf38adbb637ed4ca223d8ef23ad.png)
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解题方法
10 . 已知函数
,将函数
的图象向右平移
(
)个单位后与函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f46a13297035069791fec890b2d7f7b.png)
的图象重合,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996f389e643be2cff57152164abbcb80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f46a13297035069791fec890b2d7f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/203923ac4f14474304cc13cf0287befe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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