名校
解题方法
1 . 如图,四边形
由
和
拼接而成,其中
,
,若
与
相交于点
,
,
,
,且
,则
的面积![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
______ .
![](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/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e94ad55dc9a32da386cf9433c5c843c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab5c45a72849d2cae1d65b282b5bd19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1f4f255d191786f7d330d278868c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfb932500348c2f1e4f6ce9201dd8c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
您最近一年使用:0次
2024-05-23更新
|
826次组卷
|
2卷引用:四川省成都市锦江区嘉祥外国语高级中学2024届高三第一次诊断性考试理科数学试题
解题方法
2 . 已知函数
.
(1)求函数
的单调递增区间;
(2)在
中,a,b,c分别是角A、B、C所对的边,记
的面积为S,从下面①②③中选取两个作为条件,证明另外一个成立.
①
;②
;③
.
注:若选择不同的组合分别解答,则按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b40af7c8a04c3318d5fc0ad7d06a9a6.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3c28e2fc237e76e757b8a82c619802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96da42826c1216bd581e822a807d39af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b19988d792b5252222f0a7acf7ef5fd.png)
注:若选择不同的组合分别解答,则按第一个解答计分.
您最近一年使用:0次
解题方法
3 . 在锐角
中,角
,
,
所对的边分别为
,
,
,向量
,
.若
,则
的取值范围是______ .
![](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/c97b2fbdf25bff9090cc466139d95191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8144a1ecf37d23fef0b7344cb022b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a53cdfd02f840f55c72dbb4d0607c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88b3e11f85e2a210a7b1db6e851ad6c2.png)
您最近一年使用:0次
解题方法
4 . 某三棱柱的底面为正三角形,其三视图如图所示,若该三棱柱的外接球表面积为
,则底面正三角形的边长等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a39dce3f1e36dbe01293c309816968.png)
A.![]() | B.![]() | C.2 | D.3 |
您最近一年使用:0次
2024-05-15更新
|
419次组卷
|
2卷引用:四川省南充市2024届高三高考适应性考试(三诊)文科数学试题
5 . 已知函数
.
(1)求函数
的单调递增区间;
(2)在
中,a,b,c分别是角A、B、C所对的边,记
的面积为S,若
,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ec6a00564735fcf0642c001c14d600.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0d5cf8c22d0cf93274939d92963665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96da42826c1216bd581e822a807d39af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b19988d792b5252222f0a7acf7ef5fd.png)
您最近一年使用:0次
名校
解题方法
6 . 鼎湖峰,矗立于浙江省缙云县仙都风景名胜区,状如春笋拔地而起,其峰顶镶嵌着一汪小湖.某校开展数学建模活动,有建模课题组的学生选择测量鼎湖峰的高度,为此,他们设计了测量方案.如图,在山脚A测得山顶P得仰角为45°,沿倾斜角为15°的斜坡向上走了90米到达B点(A,B,P,Q在同一个平面内),在B处测得山顶P得仰角为60°,则鼎湖峰的山高
为( )米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-05-11更新
|
504次组卷
|
5卷引用:四川省成都外国语学校2024届高考模拟文科数学试题(三)
(已下线)四川省成都外国语学校2024届高考模拟文科数学试题(三)浙江省2023-2024学年高一下学期3月四校联考数学试题山东省青岛第一中学2023-2024学年高一下学期4月阶段性检测数学试卷(已下线)3.5 解三角形的应用(高考真题素材之十年高考)江苏省?邮市第?中学2023-2024学年高一下学期4月阶段测试数学试卷
名校
7 . 已知
的三边长
,则
的面积为__________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4960f7870654160ca81e5751a41fa25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
您最近一年使用:0次
2024-05-11更新
|
500次组卷
|
4卷引用:四川省眉山市2024届高三下学期第三次诊断考试理科数学试题
名校
解题方法
8 . 在
中,角
的对边分别为
,且
,
,则
( )
![](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/1332569961b96f38eb4ef97402623bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c337b7aaaf6fbc17283e0429f7b561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ad254e88d57298a7b4f932ec7d613f.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2024-05-09更新
|
1225次组卷
|
6卷引用:四川省遂宁市射洪中学校2024届高三高考考前热身数学(文)试题
名校
9 . 在
中,角
所对的边分别为
,已知
.
(1)若
,求角
的大小;
(2)若
,求
边上的高.
![](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/4849807ab80cfd4c70b8c2a8291a27bb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/251c0cef7d83d4cc38157f44f1c1588c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23725094c363fd158166a8698971694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次
2024-05-08更新
|
1246次组卷
|
6卷引用:四川省遂宁市射洪中学校2024届高三高考考前热身数学(文)试题
四川省遂宁市射洪中学校2024届高三高考考前热身数学(文)试题四川省射洪中学校2024届高三高考考前热身理科数学试题北京市顺义区杨镇第一中学2021-2022学年高一下学期期中考试数学试卷江苏省无锡市辅仁高级中学2023-2024学年高一下学期5月月考数学试卷(已下线)高一期末模拟数学试卷01 -期末考点大串讲(苏教版(2019))(已下线)专题05 解三角形大题常考题型归类-期期末考点大串讲(人教B版2019必修第四册)
解题方法
10 . 在梯形
中,
,且
,沿对角线
将三角形
折起,所得四面体
外接球的表面积为
,则异面直线
与
所成角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b02c58b924146d5706bced8d525098f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d1d44522f7a31073fbf02b696e7005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63850c0f9ba71c7d6f20903707b2d98e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次