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1 . 已知集合
,
.
(1)判断
与集合
的关系,并说明理由;
(2)
中的元素是否都是周期函数,证明结论;
(3)
中的元素是否都是奇函数,证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab74abc949e0c331459c87b731fabcdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d95da33526f7713ce2016bfa6efe0f.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2020-01-15更新
|
475次组卷
|
4卷引用:上海市复兴高级中学2016-2017学年高一下学期期中数学试题
上海市复兴高级中学2016-2017学年高一下学期期中数学试题(已下线)上海期末真题精选50题(大题压轴版)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)(已下线)第7章 三角函数(章节压轴题解题思路分析)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)沪教版(2020) 必修第二册 新课改一课一练 期中复习B
名校
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1505ffc15f3755c9f069844458380d96.png)
(1)将
化为
的形式,并写出其最小正周期和图象对称轴方程,并判断函数的奇偶性(不需证明);
(2)若三角形三边
满足
所对为B,求B的范围;
(3)在(2)的条件下,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1505ffc15f3755c9f069844458380d96.png)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184f65c41ba3f59ad9b9276e61cb7cd5.png)
(2)若三角形三边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1d0ed0b099f12771f535cdb8c531b1.png)
(3)在(2)的条件下,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2b9f4a56eddb8729daedaa14205852.png)
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解题方法
3 . 已知非常数函数
的定义域为
,如果存在正数
,使得
,都有
恒成立,则称函数
具有性质T.
(Ⅰ)判断下列函数是否具有性质T ?并说明理由;
具有性质T,求
的最小值;
(Ⅲ)设函数
具有性质T,且存在
,使得
,都有
成立,求证:
是周期函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8977423533213500532f442c31e246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅰ)判断下列函数是否具有性质T ?并说明理由;
① ;②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bfdb277072d8bbc982fa18425d63a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(Ⅲ)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb7ce2a4a81258f34f4da1ae9df4a56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
2019-04-25更新
|
1016次组卷
|
4卷引用:【区级联考】北京市海淀区2018-2019学年高一下学期期中考试数学试题
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4 . 已知函数
且满足条件:①
;②
.
(1)求
的表达式;
(2)当
时,证明:
;
(3)若函数
,讨论
在
上的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bd84c3eca164b295975ca9140f38380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/834ef0cebcd0dff24529d3b4992f0c0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca809269dc3e07476d0ff0c15fd177d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/725173c99b6fbb958cdab101569985dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ce0672fd522ab1f84edf7c50f04b67.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a536cfec322a455e160e82bd82d69525.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e534d9cfe96e9921be8e3a95d56fb73.png)
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13-14高三上·江西·期中
5 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad76c1c03862c5fa46f4320c73ce33e9.png)
(1)求证:向量
与向量
不可能平行;
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad76c1c03862c5fa46f4320c73ce33e9.png)
(1)求证:向量
![](https://img.xkw.com/dksih/QBM/2013/12/10/1571430517391360/1571430522888192/STEM/215361bfa5bc44d7a3c3d56f97fd5c49.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1571430517391360/1571430522888192/STEM/4fe4eafcc5bd49e4a6b80248e91dd152.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2013/12/10/1571430517391360/1571430522888192/STEM/af4d9a42f25e45cdb445395bedb94e82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0deceec85a938d298786b6a02ca073d0.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1571430517391360/1571430522888192/STEM/da18ae5897a048caae1b2255b058cc85.png)
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