1 . 已知
分别为
三个内角
的对边,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
______ ;若
,
,
,
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f2599ca8b6b683e57a82699c8b1ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99eb4f079ec739c81a07d11a0939834b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12dcfb8f3fc0ac45d50782c3f248672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2187ee1ea3b7e47a6283314322e5decf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6c03c053e0d74a04dd5142f0c37fc6.png)
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2024高三·全国·专题练习
解题方法
2 . 如图,已知
是双曲线
:
上的一点,
、
两点在双曲线
的两条渐近线上,且分别位于第一、第二象限,若
,
,则
面积的取值范围为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c615fab3bffb9f6eeb9bf4591a458b0a.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/ba4d488d56b95a44a6b0b40d3e89c010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4757c2dcec0bf94e55a8a83a2bd325ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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名校
3 . 在
中,
.
为
所在平面内的动点,且
,若
,则给出下面四个结论:
①
的最小值为
;
②
的最小值为
;
③
的最大值为
;
④
的最大值为8.
则正确命题的序号是_________ .(写出所有正确命题的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c527566ec9aff483bf308e4119d2322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6adb8e055723620e10435c1632815c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bd4cdb5035ce43bfebeeeb9457f411.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6ddf31b7d9225a4239883af72d153b.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01317332a203c898536b1d0459f51d23.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d911e720abfb1b8892747d79ddc8f4d.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
则正确命题的序号是
您最近一年使用:0次
23-24高一下·全国·课前预习
4 . 已知
,
,则:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e252f76824e2515fa7b951845da789.png)
__________ ,
__________ ,
即两个向量和(差)的坐标分别等于这两个向量相应坐标的和(差).
(2)若点A坐标为
,点B坐标为
,O为坐标原点,
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f051cabd248937ab69fce64a390920.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d5b06f57b825616050a9b897fb1a50b.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee2c8f08a2112767ba279bb135262f5.png)
_________ ,即一个向量的坐标等于表示此向量的有向线段的终点的坐标减去起点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c857eec21dd64ccf0ba530883bb6cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bcab0226effeccd2a336c23079bc1be.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e252f76824e2515fa7b951845da789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65de7c2f24ccd9a5a9b6c5920e981309.png)
即两个向量和(差)的坐标分别等于这两个向量相应坐标的和(差).
(2)若点A坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56720e2f2b0ddd72156da495923698da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2852ae85cfcc804b3192ea8543c88938.png)
则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f051cabd248937ab69fce64a390920.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d5b06f57b825616050a9b897fb1a50b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee2c8f08a2112767ba279bb135262f5.png)
您最近一年使用:0次
23-24高一下·全国·课前预习
5 . 一个向量的坐标等于表示此向量的有向线段的_____ 坐标减去_____ 坐标.
您最近一年使用:0次
23-24高一下·全国·随堂练习
解题方法
6 . 若向量
分别表示两个力
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca11b5dbcaf17f106ef37d86f0c2da6.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e14a1db06ebef8a1ee49d3d5d03419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589dc0a5d5638e9b5e84821f21da54ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca11b5dbcaf17f106ef37d86f0c2da6.png)
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解题方法
7 . 已知平面向量
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad66ffa9784f3b01a466626320c0b8db.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec17381619e15c444db810816b72cd60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad66ffa9784f3b01a466626320c0b8db.png)
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名校
解题方法
8 . 已知平面直角坐标系中,向量
,
,若
与
的夹角为锐角.则实数
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43fa9307f35580493bf435ac6a464b25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5fc187dd3c9bc53682dc30fe844d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba2b0627ff70b02aa16b007dc41794dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2024-04-22更新
|
1385次组卷
|
5卷引用:山东省滨州市北镇中学2023-2024学年高一下学期第一次月考数学试题
23-24高一下·全国·课前预习
9 . 平面向量的坐标表示
在平面直角坐标系中,分别取与x轴、y轴方向相同的两个单位向量
作为基底,对于平面内的一个向量
,有且只有一对实数x,y使
,我们把有序实数对_____ 叫做向量
的坐标,记作
=_______ ,其中x叫做
在x轴上的坐标,y叫做
在y轴上的坐标.在向量的直角坐标中
的坐标分别为
.
在平面直角坐标系中,分别取与x轴、y轴方向相同的两个单位向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d9e3bec894fd0d96c758ee257060a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c5f4eb65c6cc2bb71fb07332208f536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425dcb2a0fcfd06896d1cffc367e1c75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dabd513ee280b57dca5423c016c5d4b.png)
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