名校
解题方法
1 . (1)已知角
的终边上有一点
,求
的值.
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d658b3385c5aa6be7e66f636648af14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fd6d536712fa3212068131c14e2df4.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaec4b86f6b9f3dadfe9cb40bbcabcbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d521f8d021b20757d7a68107fcef1d.png)
您最近一年使用:0次
2020-11-12更新
|
1565次组卷
|
6卷引用:福建省龙岩市“长汀、连城、上杭、武平、永定、漳平”六县(市区)一中2021届高三上学期期中联考数学试题
福建省龙岩市“长汀、连城、上杭、武平、永定、漳平”六县(市区)一中2021届高三上学期期中联考数学试题天津市武清区杨村第一中学2020-2021学年高三上学期期中数学试题(已下线)第三章+三角恒等变换(能力提升)-2020-2021学年高一数学单元测试定心卷(人教版必修4)(已下线)3.1.2 两角和与差的正弦、余弦、正切公式-2020-2021学年高一数学课时同步练(人教A版必修4)(已下线)10.1 两角和与差的三角函数 2020-2021学年高一数学同步课堂帮帮帮(苏教版2019必修第二册)4.2 第二课时 两角和与差的正弦、余弦和正切公式 -2020-2021学年高一数学北师大2019必修第二册
名校
解题方法
2 . 已知点
在角
的终边上,且
.
(1)求值:
;
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f40d5459e1385ab7d829ea96ca0b946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24002c9994faa405d628dd6d445ad812.png)
(1)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6760cf5ab5febce7c8a7343361faeff.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e4b593b3ab844e947cfd982540492f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8acf38a38eb14b0c63e2ac573f77b32a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95d9c98e0f21ae81aa9a5c1582a9ec3.png)
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2020-10-15更新
|
667次组卷
|
2卷引用:福建省晋江市第二中学2022-2023学年高一上学期第二次月考数学试题
3 . (1)已知
,求
的值.
(2)已知角
的终边过点
,
为第三象限角,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53317c0a3a62f5a40c51c2b1e49d5b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7759fbbc53ebc9194ea4a204e0fc3e76.png)
(2)已知角
![](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/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2adb91c4eea578ed8f41b438200682d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbb006ea697b63a914eb487073f0abe1.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
的图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/5e3aefa8-0fd9-418d-b9c8-aa6d07d3c837.png?resizew=206)
(1)求函数
的解析式;
(2)若角
满足
,
.求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/918aaa14f1f5b67c82c8793bfe72fe28.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/5e3aefa8-0fd9-418d-b9c8-aa6d07d3c837.png?resizew=206)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee974117bc7b5bcd0a7a6f9145e688e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a323ec38351becbbc180b76be51fad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
您最近一年使用:0次
2020-08-19更新
|
145次组卷
|
7卷引用:福建省永安市第三中学2021届高三上学期期中考试数学试题
名校
解题方法
5 . 已知角
的顶点与原点
重合,始边与
轴的非负半轴重合,它的终边经过单位圆上一点
.
(1)求
的值;
(2)若角
满足
,求
的值.
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b95d47e0134efc07bd1626ee632517.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/633442bef8e60d869ce38397abab6536.png)
(2)若角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df383041a9a59de48e758d6b2d46531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
您最近一年使用:0次
2020-03-15更新
|
306次组卷
|
3卷引用:福建省福州黎明中学2023届高三上学期第二次月考数学试题
解题方法
6 . 已知在平面直角坐标系
中,锐角
的顶点与原点重合,始边与
轴的非负半轴重合,终边与单位圆交于点
.
(1)求
的值;
(2)若
,且
,求
的值.
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e7c6b1e8d06e439c1ede19f99286c8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f772fe0275b9bdc54f40199380d3f09c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d2b50b02386009ac9bed0ae4f8fd92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cccde8595dcf4eb0b8309e3822bb1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
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2020-02-18更新
|
333次组卷
|
3卷引用:福建省南安市柳城中学2022-2023学年高一下学期期中数学试题
名校
解题方法
7 . 在①
,②
,③
这三个条件中任选一个,补充在下面问题中,并解决问题.
已知
,
,
,__________,求
.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc23781696276baf34ba1897423a04ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6d62c566e359cd6dde5b5247cb9dbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e35e6cdc756abe8424f56343c664338.png)
已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b9082ee8dab6c1e4e325c9db6b9f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a3e9e30821cc112bd5f33792eb7be1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
注:如果选择多个条件分别解答,按第一个解答计分.
您最近一年使用:0次
2020-02-01更新
|
347次组卷
|
4卷引用:福建省漳州市第一中学2020-2021学年高一上学期第二次月考数学试题
名校
8 . (1)求值:
;
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/519341f320389a4a875660c8a4308367.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d71f908918b9c8142acfd1f3e6d42ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8aaf830ba8ed8a772923d908ee966e.png)
您最近一年使用:0次
2019-12-26更新
|
503次组卷
|
2卷引用:福建省宁德一中2019-2020学年高一上学期第二次月考数学试题
9 . 已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc23781696276baf34ba1897423a04ad.png)
(1)求
;
(2)已知
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68773d21eb81ed550ab85ca0999c03c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc23781696276baf34ba1897423a04ad.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d48098a32aadaa3e0071edb9a316e47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
您最近一年使用:0次
名校
10 . 已知
均为锐角.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/058d23f0c61f7cdc0ac5b5d2c2b46ef5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8f798a9af75a091a8be0b71f2038260.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5438613cda89232a531a69da49dee747.png)
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2019-12-07更新
|
591次组卷
|
2卷引用:福建省厦门第六中学2019-2020学年高一3月月考数学试题