名校
解题方法
1 . 已知
,
.
(1)求
的值;
(2)求
的值;
(3)若
且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65b6c42393fae47c51101713167ff71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a892dbcef7934d97016bb190d94e0bc3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8f3574adb450b0248e815394f38869.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4234175c2f92792ab2d298d45df37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a3e9e30821cc112bd5f33792eb7be1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
您最近一年使用:0次
2021-02-06更新
|
1373次组卷
|
5卷引用:重庆市九龙坡区2020-2021学年高一上学期期末数学试题
解题方法
2 . 已知
是半圆O的直径,
,三角形
的顶点C、D在半圆弧
上运动,且
,点P是半圆弧
上的动点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3201d3796ed9a29338aac25245a7c8e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bcb59ddf4f442f20767fb6d894a8f7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe70626f544a8f74474cbcabdaa42f2c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 已知向量
,
,函数
.
(1)若
,求函数
的最值;
(2)若
,且
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79404d0e0e68a307a9fc985bb9ccf7c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d51eb4ae87e741a1bd3cc91b20bb180c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2104745f6548c40d42d046514e78df46.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7947c32099ca29d80a7d7cff0c6a1a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea786f0d0daa14e7a2912b3f0797b8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ecf39ce99b3fad69512154416deb39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c1a161634b3b69683d6074517f605a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34a75dd841e1025e87b4f08e0a56d23.png)
您最近一年使用:0次
2021-02-04更新
|
1311次组卷
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5卷引用:河南省豫南九校2021届高三11月联考教学指导卷二数学(理)试题
河南省豫南九校2021届高三11月联考教学指导卷二数学(理)试题(已下线)精做02 三角函数与解三角形-备战2021年高考数学大题精做(新高考专用)河南省豫南九校2020-2021学年高三上学期教学指导卷(二)数学(文)试题豫南九校2022年高三上学期教学指导卷二文科数学试题豫南九校2022年高三上学期教学指导卷二理科数学试题
4 . 已知
,其中
为参数,若对
恒为定值,则下列结论中正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7bff61ebc8dc9dda18d7de333c03b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1661847d6cc596d098a1552b5be103b2.png)
A.![]() | B.![]() |
C.![]() | D.满足题意的一组![]() ![]() |
您最近一年使用:0次
名校
5 .
中内角
所对的边分别为
,
.
(1)求角
;
(2)若
的周长为
,外接圆半径为
,求
的面积.
![](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/bd55c98471ad4eb3980cafcb130ce78f.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b3194ae84a592ff600350edbed2286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2021-01-28更新
|
888次组卷
|
4卷引用:陕西省宝鸡市渭滨区2020-2021学年高二上学期期末数学(文)试题
6 . 已知函数
.
(1)求
的最小正周期;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c284f4159715934be33b98d3077f6c1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79caed17bd5177e0e2a161c9e41aad40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
您最近一年使用:0次
2021-01-24更新
|
743次组卷
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3卷引用:福建省宁德市2020-2021学年高一上学期期末考试数学试题
福建省宁德市2020-2021学年高一上学期期末考试数学试题(已下线)专题8.2三角恒等变换(B卷提升篇)-2020-2021学年高一数学必修第三册同步单元AB卷(新教材人教B版)贵州省六盘水市第二中学2021-2022学年高一6月月考数学试题
名校
7 . 如图,在
中,斜边
,
,在以
为直径的半圆上有一点
(不含端点),
,设
的面积
,
的面积
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/a6a86581-dead-4fbe-adf5-2e897de8ccf6.png?resizew=133)
(1)若
,求
;
(2)令
,求
的最大值及此时的
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8807117d0d649419fdda04c531cdc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a2efb46714efa6a13a121e2a7f89412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/a6a86581-dead-4fbe-adf5-2e897de8ccf6.png?resizew=133)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf7e1db32dd59d39107b8acc37554bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e450316d80c6525899fd8e41d7116ef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
2021-01-23更新
|
606次组卷
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4卷引用:河北省唐山市2020-2021学年高一上学期期末数学试题
名校
8 . 已知
,
,
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65b6c42393fae47c51101713167ff71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8d88054c08b24133a1bb1c86f1ceab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9b3ce8cb79fd020fc0a9f0e3d252ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d69f1e897a688edebb49d9365eb13c49.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3b4b5a54e1437afb12373a4418beb0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b16bf34319c1b93fa85162b3eb8d8b1.png)
您最近一年使用:0次
2021-01-23更新
|
973次组卷
|
3卷引用:福建省福州市福州三中2020-2021学年高一上学期期末考数学试题
9 . 已知函数
的最大值为1
(1)求常数
的值;
(2)求函数
的单调递增区间;
(3)若
,且
是第一象限角,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b46add1b09401c285c55517862821be9.png)
(1)求常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd64e79a34d49f4c5fba6d12a88f5da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
您最近一年使用:0次
解题方法
10 . 在
中,内角A,B,C所对的边分别为a,b,c,且
.
(1)求角B的大小;
(2)若
,
,求
的面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64145020f43e79303e4071d763960f8d.png)
(1)求角B的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2021-01-19更新
|
1314次组卷
|
5卷引用:安徽省淮北市2020-2021学年高三上学期第一次模拟考试理科数学试题
安徽省淮北市2020-2021学年高三上学期第一次模拟考试理科数学试题(已下线)专题25 解三角形(解答题)-2021年高考数学(理)二轮复习热点题型精选精练(已下线)专题23 解三角形(解答题)-2021年高考数学(文)二轮复习热点题型精选精练(已下线)专题24 解三角形(解答题)-2021年高考数学二轮复习热点题型精选精练(新高考地区专用)安徽省淮北市2021届高三一模理科数学试题