1 . 已知函数
的最小正周期为
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6321349608ca05d80eea5f3e7afffbd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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7日内更新
|
442次组卷
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3卷引用:海南省2023-2024学年高二下学期期末数学考试试题
2 . 已知
(
,
,
)的部分图象如图所示,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af87a22a39bd12c4734b0bdf1596b42a.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() ![]() |
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2024-06-10更新
|
1551次组卷
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4卷引用:海南省部分学校2024届高三下学期高考考前押题(二)数学试题
解题方法
3 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b72443ce6bf47718bbc2ad00b53e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f27f930806d4ee1a6ac77a0fa6c340.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-04更新
|
772次组卷
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2卷引用:海南省部分学校2024届新高考二卷押题卷(三)数学试题
4 . 已知函数
的部分图象如图所示,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97da3118a50c9add76a6a039228a908a.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
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2024-05-16更新
|
1280次组卷
|
3卷引用:海南省部分学校2024届高三考前押题考试(三模)数学试题
名校
解题方法
5 . 在△
中,
是边
的中点,
是线段
的中点.设
,
,记
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf5c1d124e8e023fe8e8c5ef3412813.png)
__________ ;若
,△
的面积为
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b9d8a08fc52c31cc1a7f527d18b55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f386f5b56b07b96f2600da1be15414a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc51bdc8c2c18379db1affbb06f8923f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf5c1d124e8e023fe8e8c5ef3412813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c06393c604df2200ce9fd4bc9e67c2ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e6f0e94393fc6bbd9b4b83ede534ac.png)
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名校
解题方法
6 . 已知向量
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/409ade1a2cc3745209977f78f731bfc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272ef54b04d41a9502a08270ecba3ae1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-09更新
|
995次组卷
|
6卷引用:海南省部分学校2024届高三下学期高考考前押题(二)数学试题
名校
7 . 已知函数
的部分图象如图所示,将函数
的图象向右平移
个单位长度后得到
的图象,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/387ea7d2593a4e5b4781da1ffbb7ddc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2faa63899873813748f6a28b8a92e9.png)
A.![]() |
B.函数![]() ![]() |
C.![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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2024-05-08更新
|
626次组卷
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3卷引用:海南省文昌中学2023-2024学年高一下学期期中段考数学试题
名校
解题方法
8 . 在
中,
,则
的周长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8494a148937e0ac21a3c33e43912db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.4 | B.6 | C.8 | D.9 |
您最近一年使用:0次
名校
9 . 已知向量
,
,
.
(1)若
,
,求
的值;
(2)若
,求
与
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81c5293dfdbd72411423003ec100c910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34a97e4d59095d79e6344d04b0f927b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb7bc8d458d57e3721c6c30cb6570adc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8c70cec3a14a41bcf2b24e14564942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0101d4c6e432c98a565c65c144d253ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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2024-04-29更新
|
916次组卷
|
8卷引用:海南省琼海市嘉积中学2023-2024学年高一下学期高中教学第二次大课堂练习数学试题
海南省琼海市嘉积中学2023-2024学年高一下学期高中教学第二次大课堂练习数学试题河北省沧州市沧县中学等校2023-2024学年高一下学期3月联考数学试题河北省保定市定州中学2023-2024学年高一下学期3月月考数学试题河北省保定市定州市第二中学2023-2024学年高一下学期3月月考数学试题湖南省衡阳县三校联考2023-2024学年高一下学期3月月考数学试题湖南省部分学校(邵东市第三中学等)2023-2024学年高一下学期3月阶段性考试数学试卷山东省泰安市泰山国际学校2023-2024学年高一下学期3月月考数学试题河北省石家庄市第十五中学2023-2024学年高一下学期第一次月考数学试题
名校
10 . 如图所示,设
是平面内相交成
角的两条数轴,
,
分别是与
轴,
轴正方向同向的单位向量,若向量
,则把有序数对
叫做向量
在坐标系
中的坐标.
,求
的值和
的大小.
(2)若
,求
.
(3)在三角形
中,若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c092d69df76faf1e2133dc96b466ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e0d8575aa8c4fffb7481a5c13f483e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d9aa1d34d66a6876aa0566c8fc8b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91174b2336306191ba275a87864172b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9acf17092e339d7b310c2d1f13f61e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7db9b4ac9106bfaf32eba6ae265872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4c41a83255a091e4cdf5c1150224842.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5d470bcae610f143d41de1836f1e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e16eb319ee454088f5b527cf6c4d5.png)
(3)在三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b8ce4d0f046f2d6e7e910e45f039d28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5201fc26d013f6fb889933c0e32f5c53.png)
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