名校
解题方法
1 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06d7258de3ea69c206cd1425a8caf1b6.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4a948eab343f51af96c908d3b35e349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6040c7bf3b4f1f7879d5f34796b20e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06d7258de3ea69c206cd1425a8caf1b6.png)
您最近一年使用:0次
2023-02-17更新
|
938次组卷
|
5卷引用:广西柳州市柳州高级中学2023-2024学年高一上学期期末考试数学试题
广西柳州市柳州高级中学2023-2024学年高一上学期期末考试数学试题湖南省永州市2022-2023学年高一上学期期末数学试题(已下线)10.1 两角和与差的三角函数2-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(苏教版2019必修第二册)(已下线)专题强化训练一 两角和与差三角函数技巧高分必刷题-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(苏教版2019必修第二册)(已下线)10.1 两角和与差的三角函数-【题型分类归纳】2022-2023学年高一数学同步讲与练(苏教版2019必修第二册)
名校
2 . (1)化简:
.
(2)已知
,且
在同一象限,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00ebd9fa7623e0b0058d4410404e75c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2a258de511e9ba00fc304157beb41e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17ca1e9283fc7ac1b1e427ef0310fc2.png)
您最近一年使用:0次
2023-01-06更新
|
429次组卷
|
3卷引用:广西百色市平果市铝城中学2023-2024学年高一上学期期末数学解答题专项训练(一)
3 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b18a8bc0f269044f28c0cefd77274.png)
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b18a8bc0f269044f28c0cefd77274.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c3208d35c085ae6f47d28ec9715adb.png)
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解题方法
4 . 已知
是第二象限角,
(1)求
的值;
(2)若
,求tan
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8859bdfc3de17eddd3c5dc2f9c93ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a892dbcef7934d97016bb190d94e0bc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
解题方法
5 . 已知
,且
为第二象限角.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72462c39d6b876f2b37b44f6f14df013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d0af3bc6612f617e36374b2e28f18ef.png)
您最近一年使用:0次
6 . (1)已知角
的终边过点
,且
,求
的值;
(2)已知
,
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb6a61ad1ff2a183d8ce3a215b908df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19aec1e0a549299a50e0140a362197fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7b915277169254e670ea51b693b9fc.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6b1670b2b446ace5bc12d7385b8e78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb9e3b2b77bc9b54f3ae0b332e705c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6659ee24daa8fd4283e1077def819937.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
您最近一年使用:0次
2022-06-17更新
|
620次组卷
|
3卷引用:广西柳州二中、鹿寨中学2023-2024学年高一上学期期末考试数学试题
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解题方法
7 . 已知三角形
的内角
所对的边分别为
,
且C为钝角.
(1)求cosA;
(2)若
,
,求三角形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.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/9e672216ea27ba3a7ea84176cc8f3bb4.png)
(1)求cosA;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3f11974b878b1c24185d84a3b978dc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23725094c363fd158166a8698971694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
您最近一年使用:0次
2022-03-30更新
|
715次组卷
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5卷引用:广西南宁市普通高中联盟2021-2022学年高二上学期期末联考数学(文)试题
8 . (1)已知
若
,求x的取值范围.(结果用区间表示)
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0425f3ba20bd0223f43bf912712f72.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151801b91dfe213a5bf6108f1e5f8f32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/064ea036b3c644dbf935ec036d118684.png)
您最近一年使用:0次
名校
9 . 已知角
在第二象限,且
.
(1)求
的值;
(2)若
,且
为第一象限角,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8243953e45f9db416d64b444b259b02b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b9c3cd9e94e1b39074c36b175ad0098.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d10858dcad470737a42be96c940bb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd927b4b5a7875528c1b54aa4bb8b2dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
您最近一年使用:0次
2022-02-22更新
|
504次组卷
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5卷引用:广西玉林市普通高中2021-2022学年高一上学期期末考试数学试题
名校
10 . 在
中,角
所对的边分别为
,
,
,则
外接圆的面积是( )
![](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/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f570a35ee91d04ac3587acd8fef3d1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-02-21更新
|
941次组卷
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6卷引用:广西北海市2021-2022学年高二上学期期末检测数学试题