名校
解题方法
1 . 已知
.
(1)若
的终边位于第三象限,求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef6ab19325e1e86bf0d39c861d6194ff.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95610a5fe4230bb0da7ba2ff2d0cf79.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2907269418894e44a28a4c926a228693.png)
您最近一年使用:0次
解题方法
2 . 在
中,内角
,
,
的对边分别为
,
,
,若
,
.
(1)求
;
(2)若
,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/be4a570e7b3e4dfff30ef2ad943bf56f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fa673113e87f3930f616112676b3fb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a24a8f5e8fb89381f8add6549170345.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab1c19b66cda3fb899f06d9a25e973c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2023-09-07更新
|
703次组卷
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2卷引用:河北省保定市部分高中2023-2024学年高二上学期开学考试数学试题
名校
解题方法
3 . 若直线
的倾斜角为
,直线
的倾斜角为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/887d13887d7e80f5acd551b54561bdf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fcf17d032f3e652e2b5cc50789bf3de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a3e461c92342be4a56c0d27d8263dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.![]() | B.5 | C.![]() | D.![]() |
您最近一年使用:0次
2023-09-07更新
|
887次组卷
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7卷引用:广西贵港市名校2023-2024学年高二上学期入学联考数学试题
广西贵港市名校2023-2024学年高二上学期入学联考数学试题(已下线)第1章 直线与方程章末题型归纳总结(1)(已下线)高二上学期第一次月考十六大题型归纳(基础篇)-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)福建省南安市华侨中学2023-2024学年高二上学期10月教学质量监测数学试题江苏省江苏省南京人民中学、南通海安市实验中学2023-2024学年高二上学期10月月考数学试题(已下线)专题1.1 直线的斜率和倾角(2个考点七大题型)-2023-2024学年高二数学《重难点题型·高分突破》(苏教版2019选择性必修第一册)(已下线)专题 06直线的倾斜角与斜率(2个知识点2个拓展1个突破3种题型2个易错点)(原卷版)
名校
4 . 已知向量
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1d8d52fb4f16ec4da03a86bfd916c6.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0308229cdeca975f6780a37ed3215694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1d8d52fb4f16ec4da03a86bfd916c6.png)
您最近一年使用:0次
名校
解题方法
5 . 在
中,内角
的对边分别为
.则下列结论正确的是( )
![](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)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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名校
6 . 如图,四边形
由三个全等的正方形拼接而成,令
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a76843fea21747bf3feb1007d3f6fa37.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fb2e0d48ffbbf3ec041c3f984bf405c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c19039b2fa4a654df95cac9684758f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a76843fea21747bf3feb1007d3f6fa37.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/7/990afb35-715b-4126-9181-4b5118e0b27d.png?resizew=182)
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2023-09-06更新
|
195次组卷
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3卷引用:江西省吉安市第三中学2023-2024学年高二上学期开学考试(艺术类)数学试题
江西省吉安市第三中学2023-2024学年高二上学期开学考试(艺术类)数学试题四川省宜宾市珙县中学校2022-2023学年高一下学期3月月考数学试题(已下线)【第一课】5.5.1课时2 两角和与差的正切公式
名校
7 . (1)已知
,
,求
;
(2)已知
,
,求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b537caabf48eba393b8985b107bdbd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf03a58092188dec5f009b39b3fe5cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473376f9b2e72818028a16426bf56077.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8280dd9c34fe270aa3e6956058a798a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9909a621527d554cd081e1180548212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb79cf6456b0670a259a15c662d1f502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b45be5fcd3d4c48b2819fc63238a8d1.png)
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2023-09-04更新
|
121次组卷
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2卷引用:黑龙江省大庆市东风中学2023-2024学年高二上学期开学考试数学试题
解题方法
8 . 在
中,角
,
,
所对的边分别是
,
,
,下列叙述正确的是( )
![](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)
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
解题方法
9 . 已知
,
.
(1)求
的值;
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c54d437dbfdad6678622520e1d544be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a837149d753a3457daeb1eef3a90f05.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f07029c97c324d32f258f18a96654a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e4009eab39726dd08fdf7bb75a3eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
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2023-08-12更新
|
788次组卷
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4卷引用:辽宁省抚顺德才高级中学2023-2024学年高二上学期期初考试数学(北大班)试题
辽宁省抚顺德才高级中学2023-2024学年高二上学期期初考试数学(北大班)试题辽宁省鞍山市台安县高级中学2022-2023学年高一下学期期末数学试题(已下线)第08讲 5.5.1两角和与差的正弦、余弦和正切公式(第1课时)(1)-【帮课堂】(已下线)模块四 专题6 大题分类练(三角函数)基础夯实练(人教A)期末终极研习室
名校
解题方法
10 . 已知锐角
,
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.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/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5dcacb72bf094c0cb59fd5a20cc61d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
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2023-08-02更新
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845次组卷
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5卷引用:山东省利津县高级中学2023-2024学年高二上学期开学质量检测数学试题
山东省利津县高级中学2023-2024学年高二上学期开学质量检测数学试题山东省威海市2022-2023学年高一下学期期末数学试题(已下线)模块一 专题5三角恒等变换2(人教A版)期末终极研习室(已下线)模块一 专题5 三角恒等变换【讲】人教B版【人教A版(2019)】专题03三角函数(第三部分)-高一下学期名校期末好题汇编