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解题方法
1 . 已知
是第三象限角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783abee4269b707dfc76dbafe6e5339c.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0e38cbdc2b9ffd33d554864bbb7d87.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68e86a31edd263444a53bb90cdceb8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783abee4269b707dfc76dbafe6e5339c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0e38cbdc2b9ffd33d554864bbb7d87.png)
您最近一年使用:0次
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2 . 已知向量
,且
与
的夹角为
.
(1)求
和
;
(2)若向量
与
所成的角是锐角,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032fe13f2666446d08f308d23755eebc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596a3ee5d8473fc6619ea7730e13325b.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba2b0627ff70b02aa16b007dc41794dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/437dc907211c5934f938d869f6b19e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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昨日更新
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3卷引用:浙江省强基联盟2023-2024学年高一下学期5月期中考试数学试题
浙江省强基联盟2023-2024学年高一下学期5月期中考试数学试题河南省信阳市信阳高级中学贤岭校区2023-2024学年高一下学期6月月考数学试题(已下线)专题03 平面向量的数量积常考题型归类-期末考点大串讲(人教B版2019必修第三册)
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3 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60a06f6d8a62020785155cb91212e72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba4099214de730a5f4c322d4e1310b7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知向量
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe542ffdc910cca1a45fd4262f3d8390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a400b78a2cd807e7e28157b76529bf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知
,
,则
在
上的投影向量为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15f9df42552e714a5212708a04e160f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7205fd44617e416b38e5b0658d78ce96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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6 . 如图,在矩形
中,
,
,点
为边
的中点,点
在边
上.
为线段
上靠近
的三等分点,求
的值;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e6f0e94393fc6bbd9b4b83ede534ac.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e6f0e94393fc6bbd9b4b83ede534ac.png)
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5卷引用:浙江省培优联盟2023-2024学年高一下学期5月联考数学试题
浙江省培优联盟2023-2024学年高一下学期5月联考数学试题(已下线)专题01 平面向量(1)-期末考点大串讲(苏教版(2019))(已下线)核心考点2 平面向量的数量积 A基础卷 (高一期末考试必考的10大核心考点)安徽省阜阳市第三中学2023-2024学年高一下学期第二次调研(期中)数学试题(已下线)【高一模块二】类型1 以平面向量为背景的解答题(A卷基础卷)
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7 . 设函数
,其中
,已知
.
(1)求
的解析式;
(2)已知
,求
的单调递增区间及值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ac08751a634baf00b1a6dc428e4f48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319e9e6416957a9fc6f00638077f1fa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2d37f94afd5ad13ba909a82a38164a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aedca829ec42c3f170b7272e2154681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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解题方法
8 . 在
中,点D是线段AC上靠近A的一个三等分点,点E是线段AB的中点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd27dd5543eabc922bdbe03eb5bfd496.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
9 . 已知向量
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7441a76eb274b4f3d2f7369250d8dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f15dcdb06fc5e45da375c5bb9af281a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460e5ba67828c57daf2edb497fb52e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701d740a447c8a34a5013d4ec28e417f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff81e503b3544de0032991cb4152d71b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a9187db1ae98988542fcc6dc8ff467.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-10更新
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