1 . 在
中,角A,B,C所对的边分别为
已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7132c2d8b2ff504e6c2ba36c4f6dcfaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24159e05561cd9eeb073ff0438789d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 如图,正三棱锥
的三条侧棱
两两垂直,且侧棱长
,以点
为球心作一个半径为
的球,则该球被平面
所截的圆面的面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4278c0911e7df78965e78cff69cac5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c83984c62d390c6b30efa5d4e560de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1dee44833d457f14e0357d5cd9e7af9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2024-06-17更新
|
740次组卷
|
5卷引用:湖北省武汉市第六中学2023-2024学年高一下学期6月月考数学试卷
名校
解题方法
3 . 已知
的三个角
,
,
的对边分别是
,
,
,若
,
,则
( )
![](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/eb2dc430443bbfe43a67d5d0f8e326c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa8d75a6638e08eedbff8662267da6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1813aa92d2379664c36eb440ef7506fc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-08更新
|
1183次组卷
|
4卷引用:湖北省武汉市华中师范大学第一附属中学2024届高三五月适应性考试数学试卷
名校
4 . 在
中,角
,
,
的对边分别为
,
,
,已知
,
,
,则角
( )
![](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/6e207b2baf056a7d6a6bde1f23bf12bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09eebab59213386449a726b75065bf76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
5 . “文翁千载一时珍,醉卧襟花听暗吟”表达了对李时珍学识渊博、才华横溢的赞叹.李时珍是湖北省蕲春县人,明代著名医药学家.他历经27个寒暑,三易其稿,完成了192万字的巨著《本草纲目》,被后世尊为“药圣”.为纪念李时珍,人们在美丽的蕲春县独山修建了一座雕像,如图所示.某数学学习小组为测量雕像的高度,在地面上选取共线的三点A、B、C,分别测得雕像顶的仰角为
,且
米,则雕像高为_____________ 米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e5b7ab130dbdf2de6fbcdb7030943b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65eb3f80b696f17a3aa70760286f622.png)
您最近一年使用:0次
名校
解题方法
6 . 在
中,
,
,
,则点A到边
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db6a34d668638ea121fd60a570a0ee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-03更新
|
613次组卷
|
4卷引用:湖北省名校教研联盟2023-2024学年高三下学期4月联考数学试题(新高考卷
7 . 已知向量
,
,
,
图象上相邻的最高点与最低点之间的距离
.
(1)求
的值及
在
上的单调递增区间;
(2)设
的内角
,
,
的对边分别为
,
,
,且
,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49cdb213a58cd572ad7be37135be9bd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/064154d592c31cdeb2b5e68ebc534ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e39f93d8e8ad9d6666f80a36027506a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c6c37ce441a8ed77c8e3953e8fe1f.png)
(2)设
![](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/f24b9475e5dd6dbe6389cfb891ce3cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f484115a9df1b6060d6b14df85c6f38.png)
您最近一年使用:0次
名校
解题方法
8 . 如图,在棱长为2的正方体
中,
分别为
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31be3b7305d6c181420ea7b28c420851.png)
A.![]() | B.CE与OF所成角的余弦值为![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
2024-05-29更新
|
624次组卷
|
2卷引用:湖北省恩施州高中教育联盟2023-2024学年高二下学期4月期中考试数学试题
9 . 如图,在正四棱柱
中,
,则异面直线
与
所成角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6e53bdaa6d40b9528c97a69cad9134a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-14更新
|
877次组卷
|
2卷引用:湖北省武汉市第六中学2023-2024学年高一下学期6月月考数学试卷
名校
解题方法
10 . 在
中,内角
,
,
的对边分别为
,
,
,若
,则
的值为( )
![](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/eb2dc430443bbfe43a67d5d0f8e326c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d96d736b2c866aab1fae6fb9533631.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
2024-05-14更新
|
471次组卷
|
10卷引用:湖北省武汉市钢城四中2017-2018学年高一下学期3月月考数学(理)试题
湖北省武汉市钢城四中2017-2018学年高一下学期3月月考数学(理)试题2016届陕西省西安音乐学院附中等联考高三上学期期末数学试卷(已下线)2019高考备考一轮复习精品资料 【文】专题二十 正弦定理和余弦定理 押题专练(已下线)题型08 正弦定理在解三角形中的应用-2020届秒杀高考数学题型之三角(已下线)专题14 解三角形-十年(2011-2020)高考真题数学分项重庆市第一中学校2022-2023学年高二上学期10月月考数学试题(已下线)专题7 三角函数选择题(文科)-2(已下线)专题05解三角形压轴小题归类(1) -期末考点大串讲(苏教版(2019))(已下线)核心考点3 解三角形与实际应用 A基础卷 (高一期末考试必考的10大核心考点) (已下线)高一数学期末模拟试卷02-《期末真题分类汇编》(北师大版(2019))