名校
1 . 已知向量
,
,函数
.
(1)若
,求函数
的值域;
(2)在锐角
中,内角
,
,
所对的边分别为
,
,
,
,
,求
的面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a814fbc17642553884295fcd77d9389b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b068956e5dfab74c4f60e2bdc940689c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d319e3adc76ce60256ff27aafc2e96dd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在锐角
![](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/1d22c08802f8f1a223b7b46003e44d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解题方法
2 . 已知平面四边形
内接于圆
,且
.
(1)求角
的大小;
(2)若
,求四边形
面积
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2131a3439d5544258040a9649b3c9e98.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baa1c07becd03537beeb09a31745cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
您最近一年使用:0次
解题方法
3 . 已知函数
的最小正周期为
.在
中,角
、
、
所对的边长分别是
、
、
.
,
,
的面积为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2014a59ed89a7c3207d7e23124dc9d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](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/42a30cdeccc312028502c30ca324d62e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/730cd1be2c6d833ca83658f8fb778825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbd3e8cf8325999cde03adf845d3dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-05-07更新
|
368次组卷
|
2卷引用:安徽省宣城市广德市实验中学2021届高三下学期4月教学质量测评文科数学试题
解题方法
4 . 若角
顶点与原点重合,始边与
轴非负半轴重合,终边在直线
上,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f281814a940820e52ec332185871e22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6402372337bab99235443eb5395e7cfc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-05-07更新
|
670次组卷
|
3卷引用:安徽省宣城市广德市实验中学2021届高三下学期4月教学质量测评理科数学试题
安徽省宣城市广德市实验中学2021届高三下学期4月教学质量测评理科数学试题华大新高考联盟2021届高三4月份教学质量测评数学(理)试题(已下线)考点09 任意角与弧度制及任意角的三角函数-备战2022年高考数学(理)一轮复习考点微专题
名校
5 . 已知点
是圆
上的一点,记点P到x轴距离为
,到原点O的距离为
,则当
取最小值时,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64dfe8a37388704a68b1cc971538dfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612a2224cc5e539be9e14534890c1a32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308f91522cfd30399cf79ea1757b8965.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-12-30更新
|
399次组卷
|
5卷引用:安徽省宣城市六校2021-2022学年高二上学期期中联考数学试题
安徽省宣城市六校2021-2022学年高二上学期期中联考数学试题安徽省安庆市宿松县程集中学2020-2021学年高二上学期期中数学试题(已下线)坐标系与参数方程【专项训练】-2020-2021学年高二数学(文)下学期期末专项复习(人教A版选修4-4)(已下线)第2.4讲 圆的方程-2021-2022学年高二数学链接教材精准变式练(人教A版2019选择性必修第一册)(已下线)第2课时 课后 圆的一般方程
6 . 已知函数
.
(1)求函数
在区间
上的最值;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fef478974d86ea39ac792973333f185.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ca2bbec610f993bba89acbdb8e5107d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a930a3668ab5a451033efa75466442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a388163cb40aeca41a5eeda905ac27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b823a99ce8f35c56b01d4f0f31d0ab52.png)
您最近一年使用:0次
2020-09-05更新
|
411次组卷
|
3卷引用:安徽省宣城市2019-2020学年高一下学期期末数学(文)试题
解题方法
7 . 人体满足黄金分割比的人体是最美人体,0.618是黄金分割比
的近似值,黄金分割比还可以表示为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8382dcdb655ab1d049f8dba22fa467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2df02ccaa84e642bb15d4b76fcb3e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cb814fdbc92be18fcd4467b8c815612.png)
A.4 | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2020-09-05更新
|
392次组卷
|
3卷引用:安徽省宣城市2019-2020学年高一下学期期末数学(文)试题
解题方法
8 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0add6178de73413ee9365ae5293f9f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d735cfda85809f311845624db931eaeb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-09-05更新
|
973次组卷
|
2卷引用:安徽省宣城市2019-2020学年高一下学期期末数学(文)试题
名校
9 . 在
中,点
在
边上,
,
,
.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3578f11e4ef8746c78dd0d24f6ac7804.png)
(2)若
,求
的长及
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413882b5d51b0dac1e1c28a3367a54e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8faabcabc4e4ac2ec60d6fe04e90e56a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f186ea827f7becafd1ac4955e22c6812.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3578f11e4ef8746c78dd0d24f6ac7804.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c85409e4c685f7dbadae2de3cf9a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5e1441a49e782ff0ef46e776cde06a.png)
您最近一年使用:0次
2019-04-02更新
|
792次组卷
|
3卷引用:安徽省郎溪中学2018-2019学年高二下学期期末模拟数学(文)试题.
10 . 设向量
,
,
,记函数
.
(1)求函数
的单调递增区间;
(2)在锐角
中,角
,
,
的对边分别为
,
,
,若
,
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e51c50daae186ae08d2abfe2782d7813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d6f334bfdf5e4e135410cda2bbfae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be2dd167392a87d125bfd91ab3cb396.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在锐角
![](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/874adf20cb27b7a20a1f4aafd0920325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次