解题方法
1 . 已知
(
且
),求
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92110ee8664c15f3b9429cfc2e1b3028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3d43f3e7109d1e4173ee4993c9a148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
您最近一年使用:0次
解题方法
2 . 已知
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8acbb0c82886944d77c2d4ad78d2892e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7aee715ac87a76f7a00996af77481ed.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
您最近一年使用:0次
3 . 已知
,
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a930a3668ab5a451033efa75466442.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052a2d819b3ded8da4420915a108faf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2083b529f627f6073e9dff1921cc8f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f687593cb4ecef31667bf2320fdfe000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2083b529f627f6073e9dff1921cc8f.png)
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4 . 已知
为第四象限角,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/505409fc7cf3de2cfabcf9f8e3c8beb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
您最近一年使用:0次
5 . 已知
是第三象限角,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845dae29a871408b66aac0f7a542f330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97357ac240d2f06cabd2278e522c4c25.png)
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10-11高三上·山东泰安·期中
6 .
为三角形的一个内角,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1615dd4f2f844053c39f552fe03e8621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() |
您最近一年使用:0次
2011-04-22更新
|
1375次组卷
|
5卷引用:2011届山东省宁阳一中高三上学期期中考试文科数学卷
(已下线)2011届山东省宁阳一中高三上学期期中考试文科数学卷(已下线)2011届西藏拉萨中学高三第六模拟考试数学理卷(已下线)2012届黑龙江省双鸭山一中高三上学期期中考试理科数学江西省南昌市新建一中2019-2020学年高一上学期期末(艺体部)数学试题人教B版(2019) 必修第三册 逆袭之路 7.2 任意角的三角函数 7.2.3 同角三角函数的基本关系式
7 . 如果
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9ae6a20d475a014864dc791f6dd7f3.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfb4ca86d6ed97ddf361e698314ba85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9ae6a20d475a014864dc791f6dd7f3.png)
您最近一年使用:0次
2019-10-31更新
|
183次组卷
|
3卷引用:沪教版 高一年级第二学期 领航者 第五章 5.3 同角三角比的关系和诱导公式(2)
2016高一·全国·课后作业
解题方法
8 . 已知
,
.若
可表示成
的形式(
为正整数),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8255d540afdd24f608ab7ec231cff469.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc40ef019eaa9eb6b29afa510eb0ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc661db3dead70d3cafe7f143827a12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f033ede8c8a93dd119d340f755591c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9eeb173d21e60d6c01214afc6322f8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8255d540afdd24f608ab7ec231cff469.png)
您最近一年使用:0次
9 . 若
是第三象限的角,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59b859d40510297b84687bfb75e0b8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
您最近一年使用:0次