名校
1 . 在
的内角
、
、
的对边分别为
、
、
,若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.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/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f002f960ec07ea229ed243e2d991d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38f550e95b2950f91e8ec1798b94109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
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2020-02-18更新
|
54次组卷
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3卷引用:新疆维吾尔自治区乌鲁木齐市第十二中学2024届高三上学期9月月考数学(理)试题
名校
2 . 在
中,角
,
,
的对边分别为
,
,
,满足
,若
,则
的面积的最大值是______ .
![](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/516dd0445b53656eef8398433aeeb601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39900a2d790732077ffb571427a134fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
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2020-02-07更新
|
190次组卷
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2卷引用:新疆喀什地区莎车县第一中学2023届高三上学期11月月考文科数学试题
3 .
的内角
所对的边分别为
,且
.
(1)求
;
(2)若
,求
面积的最大值.
![](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/9a3611d59b0cf5bcc3fb0175ff63c17d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413f9851aad373d782ae62b308f1de85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2020-01-17更新
|
629次组卷
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4卷引用:新疆维吾尔自治区乌鲁木齐市2019-2020学年高三第一次诊断性测试数学文试题
新疆维吾尔自治区乌鲁木齐市2019-2020学年高三第一次诊断性测试数学文试题新疆维吾尔自治区乌鲁木齐市2019-2020学年高三第一次诊断性测试数学理试题(已下线)2020届高三1月(考点04)(理科)-《新题速递·数学》(已下线)专题1.1+正弦定理(2)(重点练)-2020-2021学年高二数学十分钟同步课堂专练(苏教版必修5)
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4 . 已知△ABC中角A,B,C所对的边分别为a,b,c,且acos C+
c=b.
(1)求角A的大小;
(2)若a=1,b=
,求c的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求角A的大小;
(2)若a=1,b=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
您最近一年使用:0次
2020-01-03更新
|
284次组卷
|
7卷引用:新疆乌鲁木齐市第101中学2023-2024学年高一下学期第一次月考数学试卷
新疆乌鲁木齐市第101中学2023-2024学年高一下学期第一次月考数学试卷陕西省咸阳市礼泉县第二中学2022-2023学年高二上学期第一次月考数学试题 江苏省连云港市锦屏高级中学2018-2019学年高一下学期期中数学试题(已下线)6.4.3 第2课时 正弦定理-2020-2021学年高一数学新教材配套学案(人教A版2019必修第二册)(已下线)6.4.3+第2课时+正弦定理(分层练习)-2020-2021学年高一数学新教材配套练习(人教A版2019必修第二册)(已下线)第六章 6.4.3 第2课时 正弦定理(备作业)-【上好课】2020-2021学年高一数学同步备课系列(人教A版2019必修第二册)(已下线)6.4.3 第2课时 正弦定理【第一课】“上好三节课,做好三套题“高中数学素养晋级之路
5 . 在
中,角
所对的边分别为
,且满足
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/fef9adf4-044f-4dfc-adda-ada71ee129c1.png?resizew=194)
(1)求
的面积;
(2)若
,求
、
的值.
![](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/6bfeaf26f178031f78a5545233a2a73f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985ea6843f52e2edff7d4ef61d822a4b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/fef9adf4-044f-4dfc-adda-ada71ee129c1.png?resizew=194)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
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6 . 在
中,
,
,点
在
边上,
,则
的长度为_____ ;角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3e9ef3e849788645552cfb0735d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffc2817fa590affb5a760a25dc65308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd7e4e8c2835c4a880cd4430800e1f8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
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13-14高一·吉林·阶段练习
名校
7 . 在
中,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecc4f7ae63e7f73ea4f264b12161713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f34365e5040ce6944115c8da61bf110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae7888d643678ea18f83f3237732052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
您最近一年使用:0次
2019-11-09更新
|
129次组卷
|
6卷引用:新疆乌鲁木齐市第八中学2020-2021学年高一下学期第一阶段考试数学试题
8 . 已知
分别为△
三个内角
的对边,且满足
.
(Ⅰ)求角
的大小;
(Ⅱ)当
时,求△
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c6c6aeb245ca9ee0d43eae3717e1f01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f127338ae1ce42bd9aae0e102eb764c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55044e2c0f384d320d155cfd4ca03923.png)
(Ⅰ)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
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2019-10-06更新
|
1239次组卷
|
4卷引用:新疆维吾尔自治区石河子第二中学2019-2020学年高二上学期第一次阶段考试数学试题
名校
9 .
的内角A,B,C的对边分别为a,b,c,已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0286d1f1cd8f427d50f0c0841ec357c1.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c0b7ab492515f50ea7216bad43f620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0286d1f1cd8f427d50f0c0841ec357c1.png)
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2019-09-11更新
|
501次组卷
|
3卷引用:新疆和田地区第二中学2020届高三11月月考数学(理)试题
名校
10 . 在△ABC中,角A,B,C所对的边分别为a,b,c.若sin(A+B)=
,a=3,c=4,则sin A=( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb84f6fbac102ccf326b2223d69cb7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-09-11更新
|
544次组卷
|
3卷引用:新疆乌鲁木齐市第七十中学2017届高三8月月考数学(理)试题