名校
解题方法
1 . 已知
,
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3955978f611908709aa2045b897b5f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c09ce1c18fa0bff97ea44ce0aecaedd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8807d7a6387cd566aa94f0e1732f4676.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 已知函数
的图象相邻两条对称轴之间的距离为
,则该函数图象是由
的图象经过怎样的变换得到?( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ecb466e8c517b5e61af3dcf1c31f5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e960ab40ee6533d55c4eb3303bb4c0.png)
A.向左平移![]() | B.向左平移![]() |
C.向右平移![]() | D.向右平移![]() |
您最近一年使用:0次
2020-06-03更新
|
457次组卷
|
3卷引用:广东省湛江市第二十一中学2020届高三下学期6月热身数学(文)试题
名校
解题方法
3 . 已知向量
、
满足:
,
,
与
夹角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f233803ccc487b243f31ae3b2846d60.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f18996bd00253c3ad9f91780103affb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03ef3e7fb905b47f36c4630fcc65dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231b861d6d1f1d0b9f52b041cb40eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f233803ccc487b243f31ae3b2846d60.png)
您最近一年使用:0次
2020-06-01更新
|
551次组卷
|
3卷引用:广东省湛江市第二十一中学2020届高三下学期6月热身数学(文)试题
名校
解题方法
4 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281805b9dfe2162215dfe6b5ad6d7b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557d96470cd65f2f822d87406e817eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfdfe7e6782c878a8d17918a94f23e13.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-05-27更新
|
203次组卷
|
3卷引用:2020届广东省湛江市普通高考测试(一)数学(理)试题
5 . 如图,A是单位圆与x轴正半轴的交点,点B、P在单位圆上,且B
,
,
(
),
,设四边形OAQP的面积为S.
![](https://img.xkw.com/dksih/QBM/2020/5/15/2463277894893568/2466776418328576/STEM/93b220a8-335d-4871-b18d-fc67e6aa0483.png?resizew=199)
(1)求
;
(2)令
,求
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802c85f4035559f800af53938aba532e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec6ce73c6786d50028addff089bbb64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867d00157025729b6a66380810466edc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dcadd1781ee9177e9bc76ce48afdd0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82ee0917c62761cf84b35235dcbe416.png)
![](https://img.xkw.com/dksih/QBM/2020/5/15/2463277894893568/2466776418328576/STEM/93b220a8-335d-4871-b18d-fc67e6aa0483.png?resizew=199)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37234cfae2f933f21c7579d9f795c024.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68296e401cfc2a5cc43b8fa109fd6ee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd288d4152caf5fc8187a1a901c8949f.png)
您最近一年使用:0次
名校
解题方法
6 .
=____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760737dff8d5a65968edef05d83537a7.png)
您最近一年使用:0次
2020-05-20更新
|
325次组卷
|
6卷引用:广东省湛江市第二十一中学2019-2020学年高一下学期复学考试(线上测试)数学试题
名校
解题方法
7 . 如图,在四边形
中,
,
,
,
,
,则
的值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65639672f444b3d4dc6fc4f357ddbd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2ae98eb223b4fe33e53e9d3ba4cc40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616a39fcfc4423c7dacee28fe9672b10.png)
![](https://img.xkw.com/dksih/QBM/2020/5/15/2463275908931584/2466621948428288/STEM/54feb05a98694e25aaea29f7104fb076.png?resizew=107)
您最近一年使用:0次
名校
解题方法
8 . 已知向量
,
,若
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b6a8c233a321a733efcac9295a91035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3547aa7c78ed78dad77ed7b0028f4b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5aa846a5b7c96fe2ce665eb1ea5f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
A.4 | B.5 | C.6 | D.7 |
您最近一年使用:0次
2020-05-13更新
|
203次组卷
|
3卷引用:河南省商丘市第一高级中学2019-2020学年高二上学期期中考试数学(文)试题
解题方法
9 . 已知函数
的图象与
轴的两个相邻交点的横坐标为
,下面4个有关函数
的结论:
①函数
的图象关于原点对称;
②在区间
上,
的最大值为
;
③
是
的一条对称轴;
④将
的图象向左平移
个单位,得到
的图象,若
为两个函数图象的交点,则
面积的最小值为
.
其中正确的结论个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58623607960c8da39844a8d09aef93d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4380a55f078103c528f236a6e18ef12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc85c63206930d2f0c3f981d3237fd8.png)
②在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fee19fef930b81f2605c4642b6211c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
④将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7714098fd2c6e705c4fa9937bbfc1883.png)
其中正确的结论个数为( )
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2020-05-04更新
|
1320次组卷
|
3卷引用:2020届广东省湛江市普通高考测试(一)数学(理)试题
10 . 已知
,
为函数
的图象与
轴的两个相邻交点的横坐标,将
的图象向左平移
个单位得到
的图象,
,
,
为两个函数图象的交点,则
面积的最小值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f785147690f83dcee0a0bc6c327e75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58623607960c8da39844a8d09aef93d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.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/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次