1 . 回答下面两题
(1)求直线
:
,
:
的交点坐标;
(2)求点
到直线
:
的距离;
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23fc11a3a7592c68b20f93bdde2ed3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8bf4c5441af2933c5bd4422b3dfad28.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8902bff3e60ecebdcd71bb2ee8bb97b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895fa47a776962dd68b3ff39812cad9b.png)
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2023-12-31更新
|
634次组卷
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2卷引用:湖南省邵阳市新邵县第二中学2023-2024学年高二上学期期中数学试题
2 . 求下列不等式的解集:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa3f9864bb027c49c7dfb99dbaa763c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8bb17288252624eca7a636d5f6b5511.png)
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3 . (1)化简求值:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b848b82aed5c771a8c565d2260161658.png)
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b848b82aed5c771a8c565d2260161658.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca65d671f250571d8dab75b7f7a3cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a1f53c1b7fec21aec3ff5320234be3.png)
您最近一年使用:0次
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4 . 求值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adfa1d3ec26935b02633fb4f0d4e56f5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12dab9af3837c1326a70ea9597e74020.png)
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2023-11-11更新
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1125次组卷
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3卷引用:湖南省株洲市第二中学2023-2024学年高一下学期期中数学试题
5 . 化简求值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b078321ce228ffee4b3ddbda793565f2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7be3b85500424eb33f32fa87cd2b9df.png)
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2022-10-28更新
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747次组卷
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3卷引用:湖南省永州市祁阳县第四中学2022-2023学年高一上学期期中数学试题
6 . 已知长方体
中,
是对角线
中点,化简下列表达式:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/e186e462-a80c-4cd2-8848-ff873cbafe1e.png?resizew=171)
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7ddbb49c644bf06ccbad885ba2c84a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b677c724bb0e61b8dd26ac6acf367eec.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/e186e462-a80c-4cd2-8848-ff873cbafe1e.png?resizew=171)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa660d6852dfae8ed579966b9858dc7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e3dd6864528c395f1894d25d5956e5.png)
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2022-10-12更新
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359次组卷
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5卷引用:湖南省永州市祁阳县第四中学2022-2023学年高二上学期期中数学试题
湖南省永州市祁阳县第四中学2022-2023学年高二上学期期中数学试题四川省雅安市天立学校2022-2023学年高二下学期期中教学质量测试数学(理)试题浙江省台州市三门启超中学2022-2023学年高二上学期10月月考数学试题(已下线)6.1.1空间向量的线性运算(1)(已下线)1.1.2 空间向量的数量积运算(分层作业)(3种题型分类基础练+能力提升综合练)-【上好课】高二数学同步备课系列(人教A版2019选择性必修第一册)
名校
7 . 化简求值
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d5cfea3a0b5904c2df979285591ac6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d122c476738747753e4c363fb99d1338.png)
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2020-11-30更新
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911次组卷
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5卷引用:湖南师范大学附属中学2020-2021学年高一上学期期中数学试题
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解题方法
8 . 如图,在平面坐标系
中,第二象限角
的终边与单位圆交于点
,且点
的纵坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/0cec23df-f7f5-44ab-8f44-f7810410fb46.png?resizew=154)
(1)求
,
,
的值;
(2)先化简再求值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/0cec23df-f7f5-44ab-8f44-f7810410fb46.png?resizew=154)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)先化简再求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee2d28bfcd18f4d4d871440fc31e7e34.png)
您最近一年使用:0次
2020-06-10更新
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551次组卷
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8卷引用:湖南省株洲市2019-2020学年高一下学期调研数学试题
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9 . (1)计算
;
(2)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98c1fad2a00571ba5c71be0c0f1e39e5.png)
(2)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33004a2d6e3ff8941b7f8acb219a696e.png)
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10 . 已知
.
(1)化简
;
(2)如果
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f043bf33e3cf1d55074b69a7d74fae.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b42af3dbfb279996b472032e114d1ca.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6bd28653f75dd3e0b9d1887f9b3f57c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1958d0a5ee54327bfcb564cb07aa2845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41735e7d657d5e1ab037aed20691f495.png)
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