名校
解题方法
1 . 在
中,内角A,B,C所对的边分别是a,b,c,且
,则角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
________ ,当
时,
的最大值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a14dafc3c0477bba54bba4f8f0465e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69225cfdfbc0a9a1ccfdd15c46353b8f.png)
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2021-01-14更新
|
230次组卷
|
3卷引用:福建省莆田第五中学2023-2024学年高一下学期第一阶段考试数学试题
名校
2 . 如图,已知点
和单位圆上半部分上的动点
.
,
.
![](https://img.xkw.com/dksih/QBM/2018/4/1/1914872329240576/1915972709007360/STEM/5a5ce7c2-fc53-4706-bced-b67f97427859.png?resizew=161)
(1)
点的坐标为______ (用
表示);
(2)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e5324ed9b602a5e94fee251d0ed01c6.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26e951d6d2369e8da79a793a93a66a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0292579b244fb3cfe829c65ec19d6077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87278c97d1839a69da2423c8c3d2200.png)
![](https://img.xkw.com/dksih/QBM/2018/4/1/1914872329240576/1915972709007360/STEM/5a5ce7c2-fc53-4706-bced-b67f97427859.png?resizew=161)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa65613f4e9daa070118f113e037ea02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e5324ed9b602a5e94fee251d0ed01c6.png)
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2018-04-03更新
|
573次组卷
|
3卷引用:山东省沂水县第四中学2023-2024学年高一下学期4月阶段性质量检测数学试卷
名校
解题方法
3 . 已知sin
cos
=
,且0<α<
,则sinα=________ ,cosα=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc1d6eba48f94a5e8a691b64bf13d89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/691d6a4c12d3629a577c7303331e55a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613d10c79435956258de35aa491d54e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
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2020-08-09更新
|
245次组卷
|
18卷引用:专题18 诱导公式与同角三角函数基本关系式
(已下线)专题18 诱导公式与同角三角函数基本关系式浙江省名校协作体2018届高三上学期联考数学试题陕西省西安中学2018届高三10月月考数学(理)试题陕西省西安中学2018届高三上学期期中考试数学(理)试题(已下线)2019年一轮复习讲练测【新课标版理】 4.2 同角三角函数的基本关系及诱导公式【讲】(已下线)2019年一轮复习讲练测【新课标版文】4.2 同角三角函数的基本关系及诱导公式【讲】(已下线)2019年一轮复习讲练测 4.2 同角三角函数的基本关系及诱导公式【浙江版】【讲】(已下线)2019年一轮复习讲练测 4.2 同角三角函数的基本关系及诱导公式【浙江版】【测】(已下线)专题4.1 任意角的三角函数 同角三角函数的基本关系-2021年高考数学(文)一轮复习-题型全归纳与高效训练突破(已下线)测试卷30 三角函数(B)-2021届高考数学一轮复习(文理通用)单元过关测试卷(已下线)专题4.2 同角三角函数的基本关系与诱导公式(精练)-2021年高考数学(文)一轮复习学与练沪教版(2020) 必修第二册 领航者 第6章三角 6.1正弦、余弦、正切、余切 第7课时 诱导公式(2)(已下线)第16讲 同角三角函数的基本关系与诱导公式(练)- 2022年高考数学一轮复习讲练测(课标全国版)沪教版(2020) 必修第二册 领航者 一课一练 第6章 6.1 第7课时 诱导公式(2)浙江省湖州市长兴县、德清县,安吉县等三县2017-2018学年高二下学期期中数学试题2023版 苏教版(2019) 必修第一册 名校名师卷 第十一单元 三角函数概念A卷2023版 湘教版(2019) 必修第一册 名师精选卷 第十一单元 任意角的三角函数A卷黑龙江省肇东市第四中学2023-2024学年高三上学期第一次月考数学试题
2024高三·全国·专题练习
解题方法
4 . 已知
的内解
所对的边分别为
,且
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
______ ;若
内有一点
,使得
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f4e4f04a1991a014b77e37f1aeb915.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab1c19b66cda3fb899f06d9a25e973c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae7888d643678ea18f83f3237732052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bfeaf26f178031f78a5545233a2a73f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858ebd49a89f0269c554b7bc9a3c6606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e879b16b727b9e19517aceaa4c0efc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f4e4f04a1991a014b77e37f1aeb915.png)
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名校
5 . 一般地,对任意角
,在平面直角坐标系中,设
的终边上异于原点的任意一点P的坐标为
,它与原点的距离是
.我们规定:比值
,
,
分别叫做角
的余切、余割、正割,分别记作
,
,
,即
,
,
,把
,
,
分别叫做余切函数、余割函数、正割函数.
(1)已知
,则
的最大值为_______ ;
(2)设
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e7bf9200b351a259ddfc6c0266129d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa2d7c084731df9cdabf1f0af121e3e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fee1e0f6c44b3027d0d6f8d9396f209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d494c34104f679bdbea537164f1907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e609ecb22257c1ca2fe78b1dc2e62141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48bd75362790c061d70f80de8febc3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b57070a05279ad5e576d13fb9c1bef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851b7eec8ee522611f6b96a60ab9fc63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147f65043356b475c5c2bba102958807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5cac6f59b3e1405a3b64d13c88e8a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/175c64c2a2393743bde92b3e46df42cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7688d35e68414fa995babd7437e678b.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1cf8cc0ca8fbbc8863fb416e25730f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bde963bde77dedd5e9859b5a4f5e49e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
名校
解题方法
6 . 已知
为第三象限角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e888ea14da893971e13858945bf0cd.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6cf57eadda0fd38b53717a6ee92aab6.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74205638b751f69394c082d391b323e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e888ea14da893971e13858945bf0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6cf57eadda0fd38b53717a6ee92aab6.png)
您最近一年使用:0次
名校
解题方法
7 . 已知
是第三象限角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783abee4269b707dfc76dbafe6e5339c.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0e38cbdc2b9ffd33d554864bbb7d87.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68e86a31edd263444a53bb90cdceb8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783abee4269b707dfc76dbafe6e5339c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0e38cbdc2b9ffd33d554864bbb7d87.png)
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名校
解题方法
8 . 在锐角
中,内角
,
,
所对的边分别是
,
,
,且
,则角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
________ ,当
时,
的最大值是________ .
![](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/36303aa9ad6623f5cfd634ce5786fe9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69225cfdfbc0a9a1ccfdd15c46353b8f.png)
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