2024高一下·上海·专题练习
解题方法
1 . (1)证明:
;
(2)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711a0b572919121037d12cbd89db23a2.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6551e349ab9cdaceeddd10df7d02b45.png)
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2 . 已知
,设
.
(1)若
,求函数
的单调减区间;
(2)设
为锐角,若函数
的最小正周期为
,且
为偶函数,求
的大小以及
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0fcbbb7cf855c9ddc9c172e758ea938.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcee772e6187ac31d7f8d69b0487000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de81ef5b240a1580b8876ca08ce9974.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4751c0904583cf24f4a9b71d3399d543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56687b4fd389c0a84d45788e2c1d6c3e.png)
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3 . 设半圆
的半径为2,而
为直径延长线上的一点,且
.对半圆上任意给定的一点
,以
为一边作等边三角形
,使
和
在
的两侧(如图所示)
的面积为
,求
的大小
(2)当点
在半圆上运动时,求四边形
面积的最大值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e3dfcd8aff269dd5aba398816490c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e56e21a9e25f762fbf4b1a143b128aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea16ceca816f7d3d50650af141baf42.png)
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3卷引用:专题01 三角-期末考点大串讲(沪教版2020必修二)
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解题方法
4 . 在
中,角
、
、
的对边分别为
、
、
,
.
(1)求角
,并计算
的值;
(2)若
,且
是锐角三角形,求
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/5b0a00261de17444279e81a872fb52d7.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d2f7d138f41d6862749b288028d3c2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74094c51b5ee19992e12e98bfab66d77.png)
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2024-04-16更新
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3卷引用:数学(上海卷02)
2024高一下·上海·专题练习
名校
解题方法
5 . 如图,
,
是单位圆上的相异两定点
为圆心
,且
为锐角
点
为单位圆上的动点,线段
交线段
于点
.
结果用
表示
;
(2)若
.
①求
的取值范围;
②设
,记
,求函数
的值域.
![](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/bd109d3cea698760b0d5edb65bd6f241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8fbf1acaacf8e9bb3aff495d4f732a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913b7537e011acfeec11952731351388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36df2ad9c36e4df0d626f2618e842abe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72bf0fce80daad394f2a9d013829c5c.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6da9ea780ba5e54f3be57b4a7bb12b1.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c52debaee90830375fbfd15cf1ea35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7efab43171f12140ce67bb974f203d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb17843c51402a1f7cd9b07542597b9.png)
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解题方法
6 . 已知函数
,其中
.
(1)求
在
上的解;
(2)已知
,若关于
的方程
在
时有解,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aafa1cdcfb6e455a193e51ba0ae8354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342de1b83168e6b965e9b2e20adb7b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba113f2553d8ab8074efd38288ec4d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
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3卷引用:数学(上海卷01)
2024高一下·上海·专题练习
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7 . 对于集合
和常数
,定义:
为集合
相对
的“余弦方差”.
(1)若集合
,
,求集合
相对
的“余弦方差”;
(2)求证:集合
,相对任何常数
的“余弦方差”是一个与
无关的定值,并求此定值;
(3)若集合
,
,相对任何常数
的“余弦方差”是一个与
无关的定值,求出
、
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e94af231799820b1b50e80dd38b869.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89087b5832048b3f67075371253e5fb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b9f7dba284b1f15b1660db9875bdada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35272ddbd63d2485769020d9839445f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
(2)求证:集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a8f4e2a2972da8e72c7aa3e8ce91d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5dfea362ad666e61cf04e2768215d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a45cb3486e8835fa7b848e51b53043fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
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8卷引用:第六章 三角(压轴题专练)-单元速记·巧练(沪教版2020必修第二册)
(已下线)第六章 三角(压轴题专练)-单元速记·巧练(沪教版2020必修第二册)(已下线)第10章 三角恒等变换 单元综合测试(难点)-《重难点题型·高分突破》(苏教版2019必修第二册)(已下线)第八章:向量的数量积与三角恒等变换章末重点题型复习(2)-同步精品课堂(人教B版2019必修第三册)上海民办南模中学2023-2024学年高一下学期期中考试数学试卷(已下线)专题06 期末解答压轴题-《期末真题分类汇编》(上海专用)山东省青岛第五十八中学2023-2024学年高一下学期3月月考数学试卷广东省惠州市第一中学2023-2024学年高一下学期第一次阶段考试数学试题(已下线)专题04 三角函数恒等变形综合大题归类 -期末考点大串讲(苏教版(2019))
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8 . 定义一个新运算,已知
,则
,已知
,且
,求
与
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb05247d3288b720d2fb2d229c224145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecd43fef2164f434b20a6b3109f89929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5c7773bdc553be399f2e0a0d03d7eb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ba6bf96c573a1b862e6591bc0b4e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b9cb0e41df4094dfc7a51e77406bef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
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解题方法
9 . 已知
、
满足:
,
,
,则代数式
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0587fa5c764b6d5d8439677fad912f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de38bc7405c8e0cf130ba2d13c374783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4017e4ab7a3ebbc318ec0072e855f4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef060897bb5df181b68720f23ce61eaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190b47b9b96ea962abe5cd6f72295e03.png)
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10 . 已知
为锐角,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a0cfc034a8a9f0f7ee4fdded88a171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
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6卷引用:6.2 常用三角公式-高一数学同步精品课堂(沪教版2020必修第二册)
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