名校
1 .
已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6cf1107d1f256baa4b4579736e8246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/629916112260306db52e19780fe6d46d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb90f0294dfff41f05b0fc64d7a06e4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6cf1107d1f256baa4b4579736e8246.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-06-24更新
|
1779次组卷
|
8卷引用:山西省2018届高三第一次模拟考试数学(文)试题
名校
2 . 已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6949c16730daaf0a77f0257029bf64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281805b9dfe2162215dfe6b5ad6d7b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6949c16730daaf0a77f0257029bf64.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-05-11更新
|
1258次组卷
|
5卷引用:【全国市级联考】江西省赣州市2018年高三(5月)适应性考试-数学试卷(理科)
名校
3 . 设向量
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/face52d6c9440b9074a27c37845ea741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaa8196a31477ae9958e608f3eb8173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0161712cd1003ebf1701a9ac24c13d79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/face52d6c9440b9074a27c37845ea741.png)
A.![]() | B.![]() | C.-1 | D.-3 |
您最近一年使用:0次
2018-04-27更新
|
1690次组卷
|
3卷引用:【全国校级联考】湖南省株洲市2018届高三年级教学质量统一检测(二)文科数学试题
4 . 已知
,
,则
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29dbc2370585fce483b28f49eb95ac08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e5047a59e58a10b11c4489ecb6a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673f7e66c2a252da4c77c70d90c8cec.png)
您最近一年使用:0次
5 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3beb1bf14e6adcee9a892d4f2bfef943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
您最近一年使用:0次
6 . 若
是第二象限角,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21e830da06d544f7569d80af31508e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79fef93ae0884486f90d7167b2f0059.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-01-12更新
|
719次组卷
|
2卷引用:甘肃省张掖市2018届高三备考质量检测第一次考试数学(文)试题
解题方法
7 . 已知倾斜角为
的直线
与直线
垂直,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b818e1793be8d9213e903e5224987a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed5ff5a2e7663e6a21ccea3149a10113.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-01-11更新
|
1161次组卷
|
4卷引用:湖北省襄阳市2018届高三1月调研统一测试数学(文)试题
湖北省襄阳市2018届高三1月调研统一测试数学(文)试题湖北省襄阳市2018届高三1月调研统一测试数学(理)试题【全国百强校】河北省武邑中学2019届高三12月月考数学(文)试题(已下线)通关练08 直线的方程19考点精练(60题)- 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第一册)
8 . 已知
的面积为
,角
的对边分别为
,若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f2599ca8b6b683e57a82699c8b1ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646f883320cfe8c0dc4570eb6056cf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42190fdb24c6e918e06eb4a2ebf8856f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
您最近一年使用:0次
名校
解题方法
9 . 已知
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf11f57d160573c23ec5b393d27e0ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b7ac074df8fbca028a9d7ee695096b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64982848077ef104695b37b2db3bb83d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-01-04更新
|
893次组卷
|
2卷引用:安徽省皖南八校2018届高三第二次(12月)联考数学理试题
名校
10 . 向量
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc0c267bd3b10bbcf11bfff67eac8d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4feacfb15fda39485b7cc5390a7131d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069da5c624837df29947b7b8bf722097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a2b8dae45cd30a752aedb1ca66c30a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-12-29更新
|
1597次组卷
|
2卷引用:辽宁省丹东市五校协作体2018届高三上学期联考数学(文)试卷