1 . 如图所示,
分别是单位圆与
轴、
轴正半轴的交点,点
在单位圆上,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867d00157025729b6a66380810466edc.png)
,C点坐标为(-2,0),平行四边形
的面积为S.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/15/819354e0-5f35-43e3-a721-919fa1167879.png?resizew=192)
(1)求
·
+S的最大值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/285f34134c43ba75b616c6591afa79c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867d00157025729b6a66380810466edc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c00e55fd3508349b15f987f6b9655b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8501d0d0917907b3b1a3d73516a1d4f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/15/819354e0-5f35-43e3-a721-919fa1167879.png?resizew=192)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4731335d26e45bf7041b36c5f0a1121d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd71aa0604858fc7efc8ec950c961dcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c0e9e5b4e20ab4716063af9820786e.png)
您最近一年使用:0次
名校
2 . 如图,在
中,已知
为
边上的高.
;
(2)设
,其中
,求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccab94ae9e02defda15cb0d53e563f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee2a3a104e7b138fbf4d8c22dc106ef.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342f09c33ef0eac1e1e984760872f511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68a83b4093280ea8750677f6828bf47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
您最近一年使用:0次
2021-08-22更新
|
1210次组卷
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4卷引用:宁夏银川三沙源上游学校2020-2021学年高一下学期期末数学(理)试题
宁夏银川三沙源上游学校2020-2021学年高一下学期期末数学(理)试题河北省武安市第一中学2020-2021学年高一下学期第一次月考数学试题山西省大同市第三中学校2021-2022学年高一下学期期中数学试题(已下线)第一次月考解答题压轴题十六大题型专练(1)-举一反三系列(人教A版2019必修第二册)
名校
3 . 在
中,
,
,
分别是角
,
,
所对边的长,
,且
.
(1)求
的面积;
(2)若
,求角
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/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/55493e331f88d3d1c396e92b46c97ecd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5390ea9864bc953235462f186e798468.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae7888d643678ea18f83f3237732052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2020-07-25更新
|
949次组卷
|
2卷引用:四川省眉山市2019-2020学年高一下学期期末考试数学试题
名校
4 . 如图,在四边形
中,
是边长为6的正三角形,设
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/2/34d0af34-3a6c-461f-8cc8-2f756c380e13.png?resizew=186)
(1)若
,求
;
(2)若
,
,求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a510e9b00ac157a0665c3b3c91f94eb7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/2/34d0af34-3a6c-461f-8cc8-2f756c380e13.png?resizew=186)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f24efa543736b9064b2abe9d35a46308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fa673fb5c209b1bca6c8e237dac878c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c37e1d61eec8ed26329d3ffa79a764b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0243e64487dfdd5e57bb9c2dfb3c3d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
名校
5 . 如图,
、
分别是
的边
、
上的点,且
,
,
交
于
.
![](https://img.xkw.com/dksih/QBM/2020/2/12/2396994581577728/2398358845997056/STEM/66d559b489ce4d7ba7b7e674079bd13a.png?resizew=202)
(1)若
,求
的值;
(2)若
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f52da6dd8113f1ce52cc4288736ad1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b950b124167d1af47da0a4939622fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2020/2/12/2396994581577728/2398358845997056/STEM/66d559b489ce4d7ba7b7e674079bd13a.png?resizew=202)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f250bac7806ae0f5f4823b471b8041db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059d6df06a5b85848dc4fa33327f8e07.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7502eee6f33e8c940dec63ab6473c52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a601b138fbf5f9d579d15e92fdf07c3.png)
您最近一年使用:0次
2020-02-13更新
|
1877次组卷
|
13卷引用:江苏省南通市启东市2019-2020学年高一上学期期末数学试题
江苏省南通市启东市2019-2020学年高一上学期期末数学试题福建省石狮市第八中学2021-2022学年高一下学期第一次月考数学试题福建省泉州市晋江市磁灶中学两校2021-2022学年高一下学期5月联考数学试题江苏省南京市第二十九中学2022-2023学年高一下学期3月月考数学试题山东省新泰中学2022-2023学年高一下学期第一次阶段性考试数学试题河北省石家庄市二十一中2022-2023学年高一下学期期中数学试题江苏省镇江市扬中市第二高级中学2022-2023学年高一下学期期末检测数学试题江苏省南京市雨花台中学2022-2023学年高一下学期6月月考数学试题江苏省南通市2022-2023学年高一下学期期末模拟数学试题福建省泉州市第六中学2022-2023学年高一下学期期中模块测试数学试题湖北省恩施州宣恩清源高中2023-2024学年高三上学期10月月考数学试题重庆市南开中学校2023-2024学年高一下学期3月阶段测试数学试题浙江省精诚联盟2023-2024学年高一下学期3月联考数学试题
名校
6 . 已知点
为双曲线
的左、右焦点,过
作垂直于
轴的直线,在
轴的上方交双曲线C于点M,且
(1)求双曲线C的方程;
(2)过双曲线C上任意一点P作该双曲线两条渐近线的垂线,垂足分别为
求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1eba4146208a9b519ee2cf649e733c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d526f77e6a9874abe2fe3df3dfe32609.png)
(1)求双曲线C的方程;
(2)过双曲线C上任意一点P作该双曲线两条渐近线的垂线,垂足分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8712fb367c905b76bfce71be38ef85dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d747f100f604e92276ae538813e264eb.png)
您最近一年使用:0次
2019-11-09更新
|
926次组卷
|
10卷引用:【全国百强校】江西省金溪县第一中学2018-2019学年高二12月月考数学(理)试题
【全国百强校】江西省金溪县第一中学2018-2019学年高二12月月考数学(理)试题上海市向明中学2018-2019学年高二下学期期中数学试题2017年上海市崇明区高考一模数学试题上海市市北中学2020-2021学年高二上学期12月月考数学试题四川省南充市李渡中学2020-2021学年高二下学期第一次月考数学试题(已下线)课时37 双曲线-2022年高考数学一轮复习小题多维练(上海专用)沪教版(2020) 选修第一册 同步跟踪练习 第2章 2.3(2)第2课时双曲线性质的应用湖南省怀化市麻阳县三校联考2022-2023学年高二上学期线上期末测试数学试题(已下线)模块三 专题5 大题分类练(解析几何)基础夯实练 (已下线)艺体生一轮复习 第八章 解析几何 第40讲 双曲线【练】
7 . 向量
,向量
与向量
的夹角为
,且
.
(1)求向量
;
(2)若
,且
,
,其中
、
、
是
的内角,若
、
、
依次成等差数列,试求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26065fff3c4e0e259e6ab21bb6986106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b199d124fb9a5bc8438c9884f04534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12172a74a668b18236ba4e6d4569fd7c.png)
(1)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50482f7121a8d6d901c1a93e3514c4fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b41e3793dfd1a854655082ce4c61fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237513fa62c980d2196d57b0281b3887.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/0faed94a64b2dcfc6801b4fca0f16675.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/e0b8dc2599cb77bbc1db851a98ea3014.png)
您最近一年使用:0次
2019-08-16更新
|
470次组卷
|
2卷引用:智能测评与辅导[文]-平面向量及复数
名校
8 . 已知
的夹角为
,求:
(1)
在
方向上的投影;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46857f6605c02b5454aaa98844ee5ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c506c721b6bf8b2aa61141cc3ef818.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344af49f22e6ab2af12e5f55aae6c881.png)
您最近一年使用:0次
名校
9 . 在三角形
,已知
,
.
(Ⅰ)求
.
(Ⅱ)已知
与
成钝角,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc3eb3b106e57dea32fd594e16a1e6bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc383f895b2cf5a0a0cae80fd331c30f.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e6508e26d0a1315131dfed21d8bb5a.png)
(Ⅱ)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b68a4d6f52160faeb7b7c9f403c9fb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf4f5fd1c786a30e861700602fe4d4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
10 . 如图所示,在
中,已知
,
,
.
(1)求
的模;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce552d6e4e8bca4d93e5cb01d8685600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7afaac7820e0422a64e5704fc9d1b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2bd04885ab9095eeaa1b61c45443b6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436b63e793d6d39990341d29cf47f10.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb00cfce72750f90eb47448105d9faf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4283b6d5514925bff89dd4ec0aa7d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab330d1c5cfcd5b5f69545340dc0d01.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/16/6c67f1ef-ecc3-478e-b197-a455ba34a325.png?resizew=183)
您最近一年使用:0次
2018-02-01更新
|
1371次组卷
|
6卷引用:江苏省宿迁市2017-2018学年高一上学期期末考试数学试题1