2014高三·全国·专题练习
1 . 在
中,角
所对的边分别为
,已知
.
(1)求角
的大小;
(2)若
,求
的取值范围.
![](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/fe84b51dcd8dd288a347f5f1239095e8.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2d770627f29a7c1fa6659ecee13b54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2020-05-13更新
|
9945次组卷
|
54卷引用:2016届浙江省慈溪中学高三上学期期中理科数学试卷
2016届浙江省慈溪中学高三上学期期中理科数学试卷2017届宁夏六盘山高级中学高三理上期中数学试卷(已下线)解密06 解三角形(讲义)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(浙江专用)(已下线)2014年高考数学(理)二轮复习专题提升训练优化重组卷2练习卷(已下线)2014年高考数学(文)二轮复习专题提升训练江苏专用阶段检测2练习卷2013年普通高等学校招生全国统一考试理科数学(江西卷)(已下线)2015届高考数学(理)一轮总复习专题突破二 高考三角函数与平面向量(已下线)2015届山东省胶州一中高三第一次检测理科数学试卷2015-2016学年湖南省浏阳一中、攸县一中高二上期中文科数学试卷2015-2016学年湖北省黄冈中学高二上第一次周测数学试卷2015-2016学年湖北省沙市中学高一下半月考四数学试卷2016-2017学年湖南益阳市箴言中学高二9月月考数学(文)试卷2016-2017学年河北冀州市中学高二文上月考三数学试卷河南省中原名校(即豫南九校)2018届高三上学期第二次质量考评数学(文)试题江西省临川第二中学2018届高三上学期第四次月考(期中)数学(文)试题湖北省天门、仙桃、潜江2018届高三上学期期末联考数学(理)试题【全国百强校】江西省新余市第四中学2018届高三适应性考试数学(文)试题【全国百强校】河北省武邑中学2019届高三上学期开学考试数学(理)试题【校级联考】新余四中、上高二中2019届高三第一次联考数学(文)试题天津市第一中学2019届高三一月月考数学试题(一)河北省张家口市2019-2020学年高三上学期10月月考数学(文)试题甘肃省兰州市西北师范大学附属中学2020-2021学年高三数学第一学期期中试题黑龙江省哈尔滨市第一中学校2020-2021学年高三上学期12月月考数学试题(已下线)考点15 三角恒等变换-备战2022年高考数学(理)一轮复习考点帮(已下线)专题19 解三角形-2023届高考数学一轮复习精讲精练(新高考专用)浙江省杭州学军中学2021-2022学年高二下学期数学竞赛试题黑龙江省牡丹江市第二高级中学2022-2023学年高三上学期第二次阶段测试数学试题河南省开封市清华中学2022-2023学年高三上学期第二次月考理科数学试卷北京名校2023届高三二轮复习 专题二 三角与平面向量 第2讲 三角变换与解三角形(已下线)第四章 三角函数与解三角形 专题8 三角形中的最值问题广东省揭阳市普宁华美实验学校2017-2018学年高二上学期第一次月考数学(理)试题黑龙江省大庆实验中学2017-2018学年高一4月月考数学(理)试题【全国百强校】江苏省常熟中学2017-2018学年高二下学期期中考试文数试题(已下线)【全国百强校】内蒙古北方重工业集团有限公司第三中学2017-2018学年高一3月月考数学(理)试题1【全国百强校】内蒙古北方重工业集团有限公司第三中学2017-2018学年高一3月月考数学(理)试题2【全国百强校】吉林省实验中学2018-2019学年高一下学期期中考试数学试题【全国百强校】吉林省长春外国语学校2018-2019学年高一下学期第二次月考数学试题新疆奎屯市第一高级中学2018-2019学年高一下学期第一次月考数学(理)试题新疆奎屯市第一高级中学2018-2019学年高一下学期第一次月考数学(文)试题黑龙江省大庆市铁人中学2018-2019学年高一下学期期中数学试题人教A版(2019) 必修第二册 突围者 第六章 第四节 课时2余弦定理辽宁抚顺十中2019-2020学年高一下学期新教材线上检测数学试题甘肃省甘南藏族自治州合作第一中学2019-2020学年高二上学期9月月考数学(理)试题山东济南市历城第二中学2019-2020学年高一下学期开学考试数学试题山东省滕州市第一中学2019-2020学年高一4月网课检测数学试题广西桂林市第十八中学2019-2020学年高二下学期期中考试数学(理)试题吉林省白城市第一中学2019-2020学年高一下学期期末考试数学(理)试题四川省南充市阆中中学校2021-2022学年高二上学期9月月考数学(文)试题河南省焦作市温县第一高级中学2021-2022学年高二上学期9月月考数学(文)试题(已下线)第6章 平面向量及其应用 综合 (练案)-2021-2022学年高一数学同步备课 (人教A版2019 必修第二册)苏教版(2019) 必修第二册 一课一练 第11章 解三角形 11.1 余弦定理 第2课时 余弦定理(2)河南省信阳市商城县观庙高级中学2021-2022学年高二上学期12月月考数学(理)试题广东省广州市南武中学2022-2023学年高一下学期第一次月考数学试题广东省广州市培英中学2022-2023学年高一下学期月考数学试题
2 . 已知
,且
,则![](https://img.xkw.com/dksih/QBM/2016/3/14/1572536189100032/1572536195014656/STEM/cc086b1b414044e1a174340b07c02ae4.png?resizew=51)
_____ ,![](https://img.xkw.com/dksih/QBM/2016/3/14/1572536189100032/1572536195014656/STEM/101f25dd9049443cb3321d07904e4d59.png?resizew=41)
_____ ,![](https://img.xkw.com/dksih/QBM/2016/3/14/1572536189100032/1572536195014656/STEM/0132305e1ff840c7b445d1b125cbec03.png?resizew=43)
_____ .
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572536189100032/1572536195014656/STEM/08402bbb656847cea23db9d8b08b0dcd.png?resizew=60)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572536189100032/1572536195014656/STEM/c2e7ef17a8634079aa14cca904bbfd63.png?resizew=92)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572536189100032/1572536195014656/STEM/cc086b1b414044e1a174340b07c02ae4.png?resizew=51)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572536189100032/1572536195014656/STEM/101f25dd9049443cb3321d07904e4d59.png?resizew=41)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572536189100032/1572536195014656/STEM/0132305e1ff840c7b445d1b125cbec03.png?resizew=43)
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3 . 已知向量
的夹角为
,
,向量
,
的夹角为
,
,则
与
的夹角正弦值为_____ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498e31243c96cee074159c14530ce929.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc719587959a285d9779eb1d165977b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/015804533449e04f3e4f9f2d54326f3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222fd0837d18068c2471dac135e79f7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f785147690f83dcee0a0bc6c327e75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/676c85d0a447f38f8163c514a0c348e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bca35e52b8430246a1cf96e9e617cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222fd0837d18068c2471dac135e79f7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498e31243c96cee074159c14530ce929.png)
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2016-12-04更新
|
304次组卷
|
2卷引用:2016届浙江省湖州中学高三上学期期中理科数学试卷
4 . 已知直线
与圆
交于
两点,
为坐标原点,则
等于_______ ,
等于_______ .
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572536189100032/1572536195072000/STEM/a5690fde63a5432599e2b0ad1f1db66b.png?resizew=200)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572536189100032/1572536195072000/STEM/f4ebb533a5134af687c085427d9c3f8c.png?resizew=75)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572536189100032/1572536195072000/STEM/eb40c4dadc6840b98bee0b3b791f4fe5.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572536189100032/1572536195072000/STEM/8f62d4b8c42543d18d1b025d5deb4b1a.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572536189100032/1572536195072000/STEM/7b4511ab32fb4880a6b8374c6df3e139.png?resizew=36)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297bc912cb09546db07e4fb6be67af40.png)
您最近一年使用:0次
2016-12-04更新
|
307次组卷
|
2卷引用:2016届浙江省湖州中学高三上学期期中理科数学试卷
5 . 已知
,且
,则![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/3176af00d2894b508f9a0905bed2fd8a.png?resizew=51)
______ ,![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/a59326f2a2e24734b0f981d41b3ee951.png?resizew=41)
______ , ![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/97bcf747a18d4db584665e4247e0f39c.png?resizew=43)
_______ .
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/467f8a13cffb447cbe11f9cc127fe777.png?resizew=60)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/6f34c914c5ff4789958bdc256e196dd5.png?resizew=92)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/3176af00d2894b508f9a0905bed2fd8a.png?resizew=51)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/a59326f2a2e24734b0f981d41b3ee951.png?resizew=41)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/97bcf747a18d4db584665e4247e0f39c.png?resizew=43)
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6 . 已知函数
,且给定条件
:“
”.
(1)求
的最大值及最小值
(2)若又给条件
:“
”且
是
的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc36486a3c93fc8f1a46b19a4385ce96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ee33bfbf6fa1718bda27d4e537d3a94.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若又给条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d86384fa92128289059349a8ccfa831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
7 . 设
,
为单位向量,且
,
的夹角为
,若
=
+3
,
=2
,则
•
=
,向量
在
方向上的射影为____ .
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/49cef49f0d144d2c9bea6de99c74d0f8.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/dd87794ba3da49ec8934aa1bfa5c282f.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/49cef49f0d144d2c9bea6de99c74d0f8.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/dd87794ba3da49ec8934aa1bfa5c282f.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/3853e016da5f4ced95cf2f27e5e17990.png?resizew=18)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/d4f5828e2cdd41f1854872f0c7a55bc2.png?resizew=10)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/49cef49f0d144d2c9bea6de99c74d0f8.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/dd87794ba3da49ec8934aa1bfa5c282f.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/4c601a6e12024d40a95fcdf97cf01fd3.png?resizew=10)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/d39a5382c3764174a483aa8789dbdea6.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/d39a5382c3764174a483aa8789dbdea6.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/44a266aed7d243ef802993c5a1fb1408.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/08942d6e30c14664b691255ee0111551.png?resizew=10)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/77b3fb1ac39a4caf8d71de56f4495c5e.png?resizew=10)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969536000/STEM/4c601a6e12024d40a95fcdf97cf01fd3.png?resizew=10)
您最近一年使用:0次
8 . 函数y=tan(
x﹣
)的部分图象如图所示,则(
+
)
=
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969470464/STEM/dad896e02d084de18891b87b9cd4f946.png)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969470464/STEM/013176a6c5464eb69e1c11ae920d8719.png)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969470464/STEM/b97ac4e5ed69432f984c27ab34437967.png)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969470464/STEM/d5e078597e864efaa964a707b7d60e61.png)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969470464/STEM/94811092d01149e6a74314772d335b41.png)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969470464/STEM/d9a58c7f423e4264b15acd2f8be54509.png)
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969470464/STEM/dad896e02d084de18891b87b9cd4f946.png)
A.6 | B.4 | C.﹣4 | D.﹣6 |
您最近一年使用:0次
9 . 为得到函数
的图象,只需将函数y=sin2x的图象
![](https://img.xkw.com/dksih/QBM/2016/2/23/1572491963760640/1572491969388544/STEM/f770db6da24242e3b67687184d17d3dd.png)
A.向左平移![]() |
B.向右平移![]() |
C.向左平移![]() |
D.向右平移![]() |
您最近一年使用:0次
10 . 已知向量
,
,若函数
.
(1)求
时,函数
的值域;
(2)在
中,
,
,
分别是角
,
,
的对边,若
且
,求
边上中线长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d93305778450f4435c485930407e2602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c9be5649a7f626bd61dc86cb04c4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429834a85e90ba22a3c8450350d0fa3e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91c2a3cee0881aa148ae5c820d511b9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.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/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/eeeef09dbf4ffc5d70d86af0d9414a9c.png)
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