解题方法
1 . 已知角
的终边经过点
,且
.
(1)求m的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627b7b7b7ea0bbf3ddab5495b202fef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7982f6395c059b7aae0af42006a0885d.png)
(1)求m的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e971fb20c43bd0fc1ebaf92d918117d1.png)
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2023-03-04更新
|
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2卷引用:四川省宜宾市叙州区第二中学校2022-2023学年高一下学期3月月考数学试题
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解题方法
2 . 如图,在平面直角坐标系中,角
和角
的始边与x轴的非负半轴重合,角
的终边与单位圆交于点A,将射线OA绕坐标原点沿顺时针方向旋转
后,所得射线与单位圆交于点B,且射线OB是角
的终边.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/23/3cb79492-e679-400c-a299-9eb56d068c41.png?resizew=154)
(1)求
的值;
(2)若点A位于第一象限,且纵坐标为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/23/3cb79492-e679-400c-a299-9eb56d068c41.png?resizew=154)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55deb3475936fa58bfa22e51b0dbfdd.png)
(2)若点A位于第一象限,且纵坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14285cb0fadb5cbb37e3e68299939de2.png)
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2023-03-01更新
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4卷引用:四川省宜宾市叙州区第一中学校2022-2023学年高一下学期3月月考数学试题
四川省宜宾市叙州区第一中学校2022-2023学年高一下学期3月月考数学试题广东省肇庆市2022-2023学年高一上学期期末数学试题(已下线)模块四 专题6 大题分类练(三角函数)拔高能力练(人教A)期末终极研习室(已下线)模块五 专题5 重组综合练(广东)期末终极研习室
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解题方法
3 . 已知
.
(1)若
为第一象限角,求
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf2db1cc9c7783d5f109e752dc07a7f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d41fce3cc8f559d1e1442981b9d50a3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896651498120ed4379f84b2cd84f63e1.png)
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5卷引用:四川省宜宾市珙县中学校2022-2023学年高一下学期3月月考数学试题
4 . 已知角
的终边经过点
,试求:
(1)tan
的值;
(2)
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1991eb1530f35b7c7f45ee2039474074.png)
(1)tan
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7db8ff1ed802c1722d6da00dfa9a0fc.png)
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2022-02-17更新
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解题方法
5 . 设
中角A,B,C的对边分别为a,b,c,
.
(1)若
,
,求b;
(2)若
为锐角三角形,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8c65bea2c80af038768b74250c694e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fa79a550591eb9e1bd07bced3a08fc.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b6ab846d35d5372f9c945d511c6cae.png)
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6 . 已知
.
(1)若
为第三象限角,求
.
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ea55db82683a35eb6f708123a6e582.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba3ed644ddf1c0bcf9b311c014eec0e.png)
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2020-01-19更新
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7 . (Ⅰ)已知向量
,求
与
的夹角的余弦值;
(Ⅱ)已知角
终边上一点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f7c4577433bf7679a5bc7ef89b0d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
(Ⅱ)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/c83dcba27522169c5d01b2ffe1bd2fe4.png)
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2019-09-14更新
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8 . 在
中,角
、
、
所对的边分别为
、
、
.已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ceaa9577b85ac6e16bbe915659254c6.png)
.
(1)求
的值;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/3ceaa9577b85ac6e16bbe915659254c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da263cd968d31dcdd45364ef8de4c7b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2d770627f29a7c1fa6659ecee13b54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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