11-12高一上·陕西·期末
名校
1 . 已知函数
.
(1)求函数
的最小正周期;
(2)求函数
在
上的最大值和最小值,并求函数取得最大值和最小值时的自变量
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf4b1515e8c15a6d378e8211de071a8.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/567794022861afa7cf102ec72736bfe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2017-03-17更新
|
1450次组卷
|
6卷引用:2016-2017学年江西省南昌市实验中学高一上学期期末考试数学试卷
名校
2 .
,
,若不论
取何值,对
任意
总是恒成立,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9653a4c05bc1bf2f61909058684b8ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b1ecaab39541562d2516caab847c57d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d095844022a8ed5fefc23b24878d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdcb3f67e5e6726c7b880916e28c558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-03-11更新
|
3482次组卷
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3卷引用:2019届江西省新余市高三上学期期末数学(文)试题
3 . 在
中,角
、
、
所对的边分别为
、
、
,若
,则当角
取最大值时,
的周长为
![](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/4f6f2391c9abcb0071e2f7cfee1b856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 若
,且
为第四象限角,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80fa30a2764ca281ef82aa82d422700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd723551cd497633d77e7498eed46ad.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-02-17更新
|
462次组卷
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2卷引用:2016-2017学年江西省赣州市高一上学期期末考试数学试卷
5 . 在锐角
中,角
所对的边分别为
,若
,
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/8f6a911beceaffecc956acdecfa89c73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a34fdb0874101dc395d5189d79fc83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
6 . 在锐角
中,角
所对的边长分别为
.向量
,且
.若
面积为
,则
的周长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25537f5e60895e8291a9c8e797c9b673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d45632b3ca6ab6c0b05df0d5a838c375.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84150fc9401167d2c337a89f07c8e63d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
A.10 | B.20 | C.26 | D.40 |
您最近一年使用:0次
解题方法
7 . 在
中,角
、
、
所对的边分别为
、
、
,且满足
.
(1)求角
的大小;
(2)若
,求角
的大小.
![](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/12c35b881ba7db85650a3e6923480d4b.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe29c42302504e7fd8577dbc7d130ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
2016-12-04更新
|
291次组卷
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7卷引用:2016-2017学年江西省宜春市高二第一学期期末统考学理数试卷
解题方法
8 . 锐角
,
满足
,
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52245b1fb6d6efbad603fce72c1c852f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d1a34ae2b8c77f8d7e355c6d1d667e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c62c14a017007a6bdfe25eada9c433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3baf63156be22b6c52db28024b4d5fe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296a24852998f6b7d2239dfff87668db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52245b1fb6d6efbad603fce72c1c852f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
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2卷引用:江西省新余市2020-2021学年高一下学期期末数学(文)试题
9 . 化简求值:
(1)
.
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcf335e6c52c6e04a831cd77f0e4cea.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a93bcc341c8a7ca0464c58d49239c02.png)
您最近一年使用:0次
名校
10 . 已知函数f(x)=2sin2(x+
)-2
cos(x-
)-5a+2.
(1)设t=sinx+cosx,将函数f(x)表示为关于t的函数g(t),求g(t)的解析式;
(2)对任意x∈[0,
],不等式f(x)≥6-2a恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a203d96e08717eb480e9ae4bcc35c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e051d14fd6a787387995331f5e6d026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a203d96e08717eb480e9ae4bcc35c4.png)
(1)设t=sinx+cosx,将函数f(x)表示为关于t的函数g(t),求g(t)的解析式;
(2)对任意x∈[0,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a197fd4f34662734a2eb6d88c42d86.png)
您最近一年使用:0次
2016-12-04更新
|
1982次组卷
|
7卷引用:2016-2017学年江西省南昌市第二中学高一上学期期末考试数学试卷