2023·全国·模拟预测
解题方法
1 . 在平面直角坐标系中,角
的顶点为坐标原点,始边在x轴的正半轴上,终边过点
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f94a18a497ac78e95df057979e8f59bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93115ade84f8009ce60aba735de6b07e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 已知角
的顶点为坐标原点,始边与
轴的非负半轴重合,终边过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f001133175da34b018f994197e52d6f.png)
___________ .
![](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/f4c21b59d92c33a3b451d6cc13878c45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f001133175da34b018f994197e52d6f.png)
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解题方法
3 . 已知角
的终边过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14c7e574995750f7dbfece07e483d04.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8902bff3e60ecebdcd71bb2ee8bb97b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14c7e574995750f7dbfece07e483d04.png)
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2023-10-07更新
|
1491次组卷
|
3卷引用:陕西省渭南市大荔县2024届高三一模文科数学试题
解题方法
4 . 已知角α的顶点在原点,始边与x轴的非负半轴重合,终边过点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bad9a4a9365dc43f23c27b9a64426a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a2b8dae45cd30a752aedb1ca66c30a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-27更新
|
352次组卷
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3卷引用:1号卷·2022年高考最新原创信息试卷(四)文数
名校
5 . 如图所示,角
的终边与单位圆
交于点
,将
绕原点
按逆时针方向旋转
后与圆
交于点
.
(1)求
;
(2)若
的内角
,
,
所对的边分别为
,
,
,
,
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42517ec969d5f77bfaa90edb82d85b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/2/5ccab1ab-63c3-43dd-b573-930a807c9e7c.png?resizew=151)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80ce24d4a9093f99b47eb97913e71d3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f016a60c9bd07ab92c207adf387f9e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5cbff84327e964f912a54032e76ccc9.png)
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2023-09-29更新
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3卷引用:贵州省2024届高三适应性联考(一)数学试题
6 . 已知角
的顶点为坐标原点,始边与
轴的非负半轴重合,终边上有两个点
,
,且
,则
( )
![](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/a1de2c0218509a1f3ededd231f68894b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a2cb1413110a5b3ab7ce84965d31572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeea04ed9fce6ab6c7e3cbe6cdb19866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb2f87452a6a5fe9dd73766b16d66bf.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
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解题方法
7 . 已知角
的终边落在直线
上,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4407788e4dc88210bca71a2551d4f2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cc80380e791963998023f02c23c14f4.png)
A.![]() | B.1 | C.![]() | D.![]() |
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8 . 在平面直角坐标系xOy中,若角
以坐标原点为顶点,x轴非负半轴为始边,且终边过点
,则
取最小值时x的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de00e8e6fa14db50b31eed58cc737f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab426b5f4480df9c64684ad313d3684e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-09-21更新
|
712次组卷
|
7卷引用:辽宁省2023-2024学年2024届高三上学期一轮复习联考(一)数学试题
名校
解题方法
9 . 已知角
的顶点是坐标原点,始边是
轴的正半轴,终边是射线
,则
( )
![](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/2fbdd6e6594e8a980876bec489e6da4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbbf7aaf5b7155b8d247ef8a4effc118.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-09-01更新
|
1217次组卷
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5卷引用:河北衡水中学2023届高三一模数学试题
名校
解题方法
10 . (1)已知角
终边上一点
,求
的值;
(2)化简求值:
![](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/d3d101b6b75e12b73157bdd9408c50d7.png)
(2)化简求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e703ba0058d0225a5f9d3ec2b48744.png)
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2023-12-18更新
|
1385次组卷
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5卷引用:江苏省扬州市扬州中学2024届新高考一卷数学模拟测试一