名校
解题方法
1 . 已知
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e918b70b02a73685e3c536c7f380e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b8ebd357c307c410d53cead2e8afe30.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-11-26更新
|
706次组卷
|
7卷引用:陕西省西安交大附中2021-2022学年高三上学期12月月考理科数学试题
解题方法
2 . 已知单位向量
,
的夹角为60°,
与
垂直,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d40110d62f0186bdf544989b400dc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.![]() | B.![]() | C.2 | D.-2 |
您最近一年使用:0次
2021-10-31更新
|
457次组卷
|
2卷引用:陕西省渭南市2021-2022学年高三上学期联考文科数学试题
名校
3 . 如图,△ABC中,
,
,
,
为△ABC重心,P为线段BG上一点,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f186ea827f7becafd1ac4955e22c6812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3af6f75cee73a485c49e63a8b642f7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/19/230f5004-2eeb-47b5-a65b-2e12e8532c55.png?resizew=133)
您最近一年使用:0次
名校
解题方法
4 . 已知向量
,
的夹角为60°,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f18996bd00253c3ad9f91780103affb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df42687a73cb92e92a3cb6e54f1edb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f233803ccc487b243f31ae3b2846d60.png)
A.2 | B.![]() |
C.![]() | D.12 |
您最近一年使用:0次
2021-10-22更新
|
1131次组卷
|
7卷引用:陕西省部分名校2021-2022学年高三上学期10月月考文科数学试题
陕西省部分名校2021-2022学年高三上学期10月月考文科数学试题甘肃省兰州市第一中学2021-2022学年高三上学期第一次月考(10月)数学(文)试题(已下线)考点15 平面向量-2022年高考数学一轮复习小题多维练(新高考版)河南省南阳市桐柏县第一高级中学2021-2022学年高二上学期期中数学理试题(已下线)考点21 平面向量的数量积及其应用-备战2022年高考数学典型试题解读与变式广东省中山市2022届高三上学期期末数学试题安徽省芜湖市第一中学2021-2022学年高一下学期期中数学试题
名校
解题方法
5 . 在
中,内角
,
,
的对边分别为
,
,
,且满足
.则角
的大小为__ ;设
为边
上一点,且
,
,则
的最小值为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.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/9dc0bd35c34b1f5e97d3a53e3de58021.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ecb138a844ef11bb3214cff0a475c9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb08f6a798dc293f3d8de281190f65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf586f28e8fbdd8c30227f60d1aba660.png)
您最近一年使用:0次
2021-09-29更新
|
395次组卷
|
7卷引用:陕西省咸阳市武功县2021-2022学年高三上学期开学摸底考试理科数学试题
陕西省咸阳市武功县2021-2022学年高三上学期开学摸底考试理科数学试题河南省九师联盟2021-2022学年高三上学期开学考试(老高考)理科数学试题河南省商丘市部分学校2021-2022学年高三上学期9月份开学联考理科数学试题浙江省台州市、永康市六校(三门中学、黄岩中学、温岭中学、天台中学、台州中学)2021-2022学年高三上学期11月期中联考数学试题河南省信阳市第二高级中学2021-2022学年高三上学期开学考数学理科试题(已下线)专题8.2—平面向量—数量积的最值问题—2022届高三数学一轮复习精讲精炼(已下线)2022年高考押题预测卷03(浙江卷)-数学
名校
6 . 已知向量
满足
,且关于x的函数
实数集R上单调递增,则向量
的夹角的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfe06bf495be93e6d57460de3b7bb19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf37393e6e081331ceb0417cda1563a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-09-04更新
|
196次组卷
|
2卷引用:陕西省宝鸡市八校2021届高三下学期联合检测文科数学试题
解题方法
7 . 已知
,
,
与
的夹角为120°,求:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a8f20036b1e7cfb0800f141d843718.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4f905b4433c85305f687be1ee8fe23.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a793aa4c3dfa018bd2b72dc51d42af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af47e3eae256be04a65a84d6452c678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae98586d80f892771c90ab39eaced90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee437e6ff470c2f67b8429f57b90ae37.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a8f20036b1e7cfb0800f141d843718.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4f905b4433c85305f687be1ee8fe23.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/756bb420d565bf418beabdae0008fb87.png)
您最近一年使用:0次
名校
解题方法
8 . 已知单位向量
,
的夹角为60°,
与
垂直,则k的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41960bbc66bdc3b28be0138f83f9de5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
您最近一年使用:0次
2021-09-01更新
|
1152次组卷
|
7卷引用:陕西省榆林市米脂中学2021-2022学年高三上学期四模理科数学试题
解题方法
9 . 已知平面向量
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e47315c53c61d888744377e45fc50c.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9936a46cc891744d4600f76bb92b694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082c6926889f84f438ea35f70bf05f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b581d554977fc0ebabd60c316bcdd373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e47315c53c61d888744377e45fc50c.png)
您最近一年使用:0次
名校
10 . 已知圆
:
.设
是直线
:
上的动点,
是圆
的切线,
为切点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311516e5293bb3735b4303e51e6172fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084b7e3980ce2aba02c620e9655f84d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a3315b91b9ca0a3861e1928d9ee85f.png)
A.![]() | B.![]() | C.3 | D.5 |
您最近一年使用:0次
2021-08-09更新
|
1040次组卷
|
5卷引用:陕西省西安市西北工业大学附属中学2021-2022学年高三上学期第三次月考理科数学试题