1 . 如图,在
中,
,
是
的平分线,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641dbe6067f01448625aa9ebca1f361c.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f149e83812e72efd7dd3dfc78d0134ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8d23b4900d1aa475abcf64af6396bec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641dbe6067f01448625aa9ebca1f361c.png)
![](https://img.xkw.com/dksih/QBM/2020/2/2/2390467171598336/2391731239034880/STEM/23157bdd5b3f4abd90c69f12d680c0ae.png?resizew=138)
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2 . 已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a2b8dae45cd30a752aedb1ca66c30a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c257ab5db8c406b30b59bed8416ae136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281805b9dfe2162215dfe6b5ad6d7b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a2b8dae45cd30a752aedb1ca66c30a.png)
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3 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54999b12a01e2e38cd1b8b3bcbe35592.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fe0d02d42e53906e4d64b94653a436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54999b12a01e2e38cd1b8b3bcbe35592.png)
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4 . (1)已知
为锐角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f995364d1f46c1165012c5c1e5ea54.png)
________ ;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2698ba765ef8e0c98ae70a96d701491.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ddd70bc7d39fcbffc4caeeb923904b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f995364d1f46c1165012c5c1e5ea54.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2698ba765ef8e0c98ae70a96d701491.png)
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5 . 已知函数
在区间
上的最大值为3,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad60a0345ca6671b564975234dacc528.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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2020-02-03更新
|
484次组卷
|
2卷引用:第五章 三角函数 5.5 综合拔高练
6 . 若
,则
的取值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4170671ec0c24c3784f6de1e3c577dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d05f69a7e3da398a6f8701f4bb331ea.png)
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解题方法
7 . 已知角
的顶点与坐标原点重合,始边与x轴的非负半轴重合,终边在直线
上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a18798408a1b91fdb12deb79f0b562a.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a9b769d70cb6f29e965c800921c8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a18798408a1b91fdb12deb79f0b562a.png)
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2020-04-29更新
|
186次组卷
|
2卷引用:2019届安徽省淮北、宿州市高三第二次教学质量检测数学(文)试题
2018高三上·全国·专题练习
名校
解题方法
8 . 函数
的最大值为____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04277211dfabcfc65bbe035d2a4a6843.png)
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2020-08-17更新
|
536次组卷
|
14卷引用:2017-2018学年第一学期期末复习备考之精准复习模拟题高三年级(文)人教版数学试题(B卷)
(已下线)2017-2018学年第一学期期末复习备考之精准复习模拟题高三年级(文)人教版数学试题(B卷)黑龙江省哈尔滨三中2017-2018学年高三上学期期中考试理科数学试题山西省阳泉市2019-2020学年高三下学期第一次(3月)教学质量检测数学(文)试题河南省济源市第六中学2019-2020学年高一下学期第二次月考数学试题(已下线)专题16 三角函数的图像与性质-2020年高考数学(理)母题题源解密(全国Ⅲ专版)(已下线)考点16 三角函数性质(讲解)-2021年高考数学复习一轮复习笔记(已下线)专题12 三角函数的图像与性质-2020年高考数学(文)母题题源解密(全国Ⅲ专版)(已下线)考点16 三角函数性质(练习)-2021年高考数学复习一轮复习笔记贵州省遵义航天高级中学2017-2018学年高二上学期期末考试数学(理)试题贵州省遵义航天高级中学2017-2018学年高二上学期期末考试数学(文)试题江苏省南通市启东中学创新班2017-2018学年高一上学期期初数学试题江苏省南通市通州区金沙中学2020-2021学年高二上学期9月空中课堂质量检测数学试题福建省2021届普通高中学业水平合格性考试(会考 )适应性练习数学试卷五试题宁夏青铜峡市宁朔中学2022-2023学年高一下学期3月月考数学试题
解题方法
9 . 已知
内角
,
,
的对边分别为
,
,
.
,
,
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be05355024b65416e48fc5f38419a6.png)
_________ .
![](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/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af039cad52ca4e1f1e322277bc81afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8c65bea2c80af038768b74250c694e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be05355024b65416e48fc5f38419a6.png)
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2020-04-10更新
|
229次组卷
|
2卷引用:2019届百师联盟全国高三模拟考(三)全国 I 卷数学(理)试题
10 . 在平面直角坐标系
中,角
与角
均以
轴的非负半轴为始边,它们的终边关于
轴对称.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b63e88d9ce4afb1766093727c466c577.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8807d7a6387cd566aa94f0e1732f4676.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d450aea0fb89e956fc4caa3a9c59fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b63e88d9ce4afb1766093727c466c577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8807d7a6387cd566aa94f0e1732f4676.png)
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2020-04-06更新
|
410次组卷
|
4卷引用:山东省滨州市博兴县第一中学2019-2020学年高三上学期入学考试数学试题
山东省滨州市博兴县第一中学2019-2020学年高三上学期入学考试数学试题(已下线)5.8+三角函数综合测试卷-2020-2021高中数学新教材配套提升训练(人教A版必修第一册)(已下线)第五章+三角函数章末综合检测-2020-2021学年高一数学上学期课时同步练(新人教A版必修第一册)湖南省株洲市茶陵县第三中学2020-2021学年高三上学期第一次月考数学试题