已知向量
,
.
(1)若
,
,求x的值;
(2)若函数
在区间
上的图像与x轴恰有3个交点,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073d1117e9d0a7f61af5d843de620062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a0a45554867032bda14f727d630168.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460e5ba67828c57daf2edb497fb52e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b256d6f05a02b36a9fe5794cbe62f819.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d45c738904d7aea7b2aa9caa2aa315.png)
20-21高一下·陕西渭南·期末 查看更多[6]
陕西省渭南市渭南中学2020-2021学年高一下学期期末数学试题福建省莆田第十五中学2022-2023学年高一下学期第一次月考(3月)数学试题(已下线)模块三 专题4 大题分类练(平面向量)拔高能力练(人教A)(已下线)模块三 专题5 大题分类练(平面向量)拔高能力练(北师大版)(已下线)专题7 大题分类练(向量的数量积与三角恒等变换)(拔高能力练)(人教B)(已下线)模块三 专题4 大题分类练(平面向量)拔高能力练(苏教版)
更新时间:2023-03-14 17:38:20
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适中
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【推荐1】在
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(1)求角
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(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae7888d643678ea18f83f3237732052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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适中
(0.65)
解题方法
【推荐2】已知
,
,
.
(1)设
,求
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(2)当
与
的夹角为锐角时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cadb456f43065bff1bf0167dcb6cd1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fd3bbc4fe722497e0ee23eef0698b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5621138daebc9a4f80bd060d266067ad.png)
(1)设
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(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9565eb0223d360f876341fe8123a391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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适中
(0.65)
【推荐1】已知锐角
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7cb5138a03b19266f82223899a614f7.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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(0.65)
名校
【推荐2】在
中,
所对的边分别为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7132c2d8b2ff504e6c2ba36c4f6dcfaf.png)
,函数
在
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(1)当
时,求函数
的值域;
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,求
的面积.
![](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/7132c2d8b2ff504e6c2ba36c4f6dcfaf.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5a2e8a8ce17b9dd84ce10933358859.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36b7edbd8378708945cce0e9be48668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f34365e5040ce6944115c8da61bf110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e11f594b16174b616c42abd2f78a2787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次