1 . 已知角
的终边过点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e25d61de0289677931829804685555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5c61e758a37cbe9f694867a2fa3193.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 已知
且lg(cosα)有意义.
(1)试判断角α所在的象限.
(2)若角α的终边与单位圆相交于点
求m及sinα的值.
(3)若
求sinα-cosα的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a22037154a3c4d0fa2b00250f43f1ed.png)
(1)试判断角α所在的象限.
(2)若角α的终边与单位圆相交于点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5099fb5e0dc3e4347e7cfbe6c9217a89.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2817546196628cbbcef3918c99e68c9a.png)
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解题方法
3 . 已知角
,且角
的终边与单位圆的交点为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e00ef7f5d478e78176df81b587dc472.png)
(1)求
的值;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f201f6e84279e80b85f394f4d930ed41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e00ef7f5d478e78176df81b587dc472.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a282d19bf2c827a98d4443330f7ca1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb11486d3a76018fafff7b4b6c3356a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f65044c12d07e5f37b5e0e68d9f5af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e619d36b4b58c13da08ab8f5695bfdfb.png)
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解题方法
4 . 计算下列各式的值.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b20b3a0ed2d85272359823cb8817edb9.png)
(2)已知角
的终边过点
,且
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b20b3a0ed2d85272359823cb8817edb9.png)
(2)已知角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070b7217bda4475bd06ba434028b8a93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0112b1a090c7f3bbc0773fa166ccfd76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7b915277169254e670ea51b693b9fc.png)
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解题方法
5 . 已知角
的始边为
轴的非负半轴,其终边与以原点为圆心的单位圆交于点
.
(1)求
的值;
(2)若
为第二象限角,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69713bbd92f21a6919b6c7f451e7a67.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6763cc08b99700f06686227066a8bb74.png)
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2020·全国·模拟预测
名校
解题方法
6 . 已知角
的顶点在原点,始边与
轴正半轴重合,终边上有一点
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a4b1f38f73f9d4e2918dcdc295a7998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7e03e92257df31309d9c38373094fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-01-13更新
|
632次组卷
|
9卷引用:2021年全国高中名校名师原创预测卷 文科数学 全国卷Ⅰ(第三模拟)
(已下线)2021年全国高中名校名师原创预测卷 文科数学 全国卷Ⅰ(第三模拟)(已下线)2021年全国高中名校名师原创预测卷 文科数学 (第四模拟)黑龙江省哈尔滨师范大学附属中学2021-2022学年高一上学期期末考试数学试题新疆生产建设兵团第二中学2021-2022学年高一上学期期末考试数学试题河北省邢台市信都区会宁中学2022-2023学年高一上学期期末测试数学试题云南省腾冲市第八中学2023-2024学年高一上学期期中数学试题云南省腾冲市第八中学2023-2024学年高二上学期期中数学试题宁夏固原市2023-2024学年高一上学期期末模拟数学试题河北省秦皇岛市青龙满族自治县部分学校2023-2024学年高一上学期期末数学试题
2020·全国·模拟预测
7 . 已知角
的顶点为坐标原点,始边与
轴的非负半轴重合,终边经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c94f793cb9584594ed38f0e97ab7a8b.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/91521cce83fe80ec4c5ced1784e59871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c94f793cb9584594ed38f0e97ab7a8b.png)
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8 . 在①角的顶点与原点重合,角的始边与x轴的非负半轴重合,角
的终边上一点
,②已知角
的终边在第二象限,
,③已知角
的终边在第二象限,
,从这三个条件中任选一个,补充在下面的问题中并解答.问题:已知____________,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f219e145bb4c8409e11f0333f708ebe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8243953e45f9db416d64b444b259b02b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b4cab645c97f6d1710f803ef6a8436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a08a1ffade82fb4a26656af64da60ca5.png)
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9 . 已知角
的终边经过点
.
(1)求
,
;
(2)求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e25d61de0289677931829804685555.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/648e9f540b4a0fe8be36f43d5cf8c3e8.png)
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10 . 已知角
的终边过点
,且
,则
的值_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a07226ceb7fede7c32b04dbb0dcd8e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1098ca7602ae66ee35e1028419d8871a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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