名校
1 . 在
中,角
所对边长分别为
,
.
(1)求角
;
(2)若
,求角
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9178fc8b5d65aa75fa9196294a0db7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/516983449108347c9bbf5dd2a72ab3dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f041d1ad881f4c480308b3ec22e529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83e842763d2ff368ff0c18f0302bbc8d.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc290eb6423013d77e848cc7739b926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2018-05-14更新
|
1198次组卷
|
4卷引用:江西省吉安市遂川中学2018-2019学年高一下学期第一次月考数学(理)试题
江西省吉安市遂川中学2018-2019学年高一下学期第一次月考数学(理)试题【全国市级联考】浙江省绍兴市2018届高三第二次(5月)教学质量调测数学试题【全国市级联考】浙江省上虞市2018届高三第二次(5月)教学质量调测数学试题(已下线)2019年一轮复习讲练测【新课标版文】第四章 三角函数与解三角形 测试题
名校
2 . 已知
,.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b10204403263abb4afaf054070834b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d04bb370f5482d4a39d721127070d5.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093d4715c4714ee88d479b833d4ed3bd.png)
您最近一年使用:0次
2018-04-27更新
|
523次组卷
|
2卷引用:江西省南昌市第十中学2019-2020学年高一上学期期末数学试题
解题方法
3 . 设函数
(
)在
处取最大值.
(1)求
的值;
(2)在
中,
分别是角
的对边.已知
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f6f8192bf5a11246b23bc5f7e26ee6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb61a448347a3f8c1f126d1c00730cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c3319647314c3b6d82958a909acd2a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/874adf20cb27b7a20a1f4aafd0920325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32e2f2d7147cf1699fbfdef9cf4af74.png)
您最近一年使用:0次
名校
4 . 已知
,
,
,
.
(1)求
与
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db73deb6fa502e49e3c873ef076fbc32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078714125ff27a773ded66638044f7b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f0b8ae6c882492c7a684e3321fd6bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d01b97eee43f1cad9994bc9acd0b23d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
您最近一年使用:0次
名校
5 . 在
中,角
,
,
所对的边分别为
,
,
,若
.
(Ⅰ)求角
的大小.
(Ⅱ)若函数
,
,在
处取到最大值
,求
的面积.
![](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/264dfa879bda71dd131fb566443fd972.png)
(Ⅰ)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f6c167276220fc69050ab20c9c0c836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9c48e36f2c35dd8308029445332aa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a64378a694544619d82f181e7b9acd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2017-12-25更新
|
587次组卷
|
3卷引用:江西省南昌市洪都中学2019-2020学年高二上学期第三次联考文数试题
名校
解题方法
6 . 设
分别是
三个内角
的对边.
(1)若
,求
的值;
(2)若
,试判断
的形状,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8d3f777580f88777c01c6684953992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b01adc561735ff5be9bb97266918f2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d32da408bbd1ea8367f8f9b6bb3392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
.
(1)求
的最小正周期;
(2)若关于
的方程
在
上有两个不同的实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1d8fb27206549be3207f8d054db642.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41669503b3e62cf2951540e90ad298d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d30e9dcddeb9b14163efbad651c2f78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
8 . 已知
的外接圆半径
,角
,
,
的对边分别是
,
,
,且
.
(1)求角
和边长
;
(2)求
面积的最大值及取得最大值时的
,
的值,并判断此时三角形的形状.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d841ca587786a72a70ea04349ff77fd.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/27d85193ac5dc99699b9f78db13b6c36.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
2017-10-17更新
|
752次组卷
|
2卷引用:江西省赣州市崇义中学2018届高三上学期第二次月考数学(文)试题
名校
9 . 已知
,
,且
,
.
(I)求
和
的值; (II)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9510e0b8c0d880f40590d3831f70f12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49780ca613a630c97f5cc8a980e8bf63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b127397392fdbd9882d244853250c27a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edb8f03d04ccb52a90c009b1c4d072e.png)
(I)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
您最近一年使用:0次
名校
解题方法
10 . 在
中,角
所对的边分别为
,已知
,
.
(1)求
的值;
(2)若
,求
外接圆的面积.
![](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/a67739df67b284a846d968ff45d671f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/036b23c94e305faaa1283996edc5b30c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2017-10-04更新
|
958次组卷
|
5卷引用:2016届江西省九江市高三下学期三模文科数学试卷