解题方法
1 . 已知单位圆上第一象限一点
沿圆周逆时针旋转
到点
,若点
的横坐标为
,则点
的横坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-06-20更新
|
348次组卷
|
4卷引用:重庆市缙云教育联盟2022-2023学年高二下学期期末数学试题
2 . 已知角
的顶点与原点O重合,始边与
轴的非负半轴重合,它的终边与单位圆交点为
.
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161f55303651fe329115de11478ac01a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/142fb1445891481c867a0c4f849a5742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0278175804188fca973ab3e9d494906.png)
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2020-04-08更新
|
992次组卷
|
5卷引用:重庆市第八中学2020-2021学年高一上学期期末数学试题
名校
解题方法
3 . 如图所示,A,B是单位圆O上的点,且B点在第二象限,C点是圆与x轴正半轴的交点,A点的坐标为
,
为正三角形,记
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/27/7ff48acb-99db-4dfb-9661-78297512298a.png?resizew=146)
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bfd8da8cf8cfacb41ba262bfe0d77cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2041063e1d4bd69b682f02f8cc5c24.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/27/7ff48acb-99db-4dfb-9661-78297512298a.png?resizew=146)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6503b6c4c31056d6199fda05f8d004ca.png)
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名校
4 . 在直角坐标系
中,以
轴非负半轴为始边,角
的终边经过点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff947ec0f4b74d4e26b4c66c4f5660ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
A.-3 | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知角
的顶点在坐标原点,始边与x轴的非负半轴重合,终边经过点
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57f41842628a2f1138a9f0e7939fb20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-02-17更新
|
627次组卷
|
3卷引用:重庆市南开中学2021-2022学年高一上学期期末数学试题
名校
解题方法
6 . 在直角坐标系
中,以
轴非负半轴为始边,角
的终边与函数
的图象相交于
,
两点,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc1f08c7640e62e8717abf4d44a6c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5803ffb532cbe08f9acec0a47b7f0a7.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/9d4699151c52cbe51d1e736d7757aa08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.![]() | C.2 | D.3 |
您最近一年使用:0次
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解题方法
7 . 已知
,
,
,则
,
,
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d11dc1b656959346d5d9132061f514c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ece30b20b1deaccb9b599e68b1addd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304cd89d1a53f558c3aeacc75e7a9938.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)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-02-14更新
|
458次组卷
|
2卷引用:重庆市南开中学2017-2018学年高一上学期期末数学试题
名校
8 . 已知角
终边上有一点
,且
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd6217bf95358692cc6de64468b2bc24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9330f5a1902fe99fc5edd744fbe9146.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a73426dd49361f4dd488c39f8699ab.png)
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2020-01-29更新
|
596次组卷
|
3卷引用:重庆市南开中学2019-2020学年高一上学期期末数学试题
名校
9 . 若角
的终边经过点
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/903a623bfcfa8880ad6d23b34e20fd34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ebb8de6464971a443b86cf4ffb09d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.﹣2 | B.![]() | C.![]() | D.2 |
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2020-01-04更新
|
414次组卷
|
2卷引用:重庆市第八中学2019-2020学年高一上学期期末模拟卷(三)数学试题
名校
10 . 已知角
的终边过点
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a0cc78c3e209937bd33da16b04044a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次