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1 . 已知:
①命题“
”的否定为“
”;
②已知
,则
;
③已知角
是第二象限角,且
,则角
是第一象限角;
④“
”是“函数
的最小正周期为
”的充要条件.
其中以上结论正确的是_____ .(填序号)
①命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a9da1624a4ab4e9c54cef3e5a010d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed5c20a511e3a2603b9dc4397f96ec2.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9fbf538ae87b660c3a3424729b55d61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a0c84e93ac004aadba06f0a772189f.png)
③已知角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba11680b84118ca5ecd9ead79611686d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0e27121a582de019f7d539dbd95114.png)
④“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a68bcee9959a6ddf017d1f8d8588173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e14e815e5157329b8c4f5613852af38b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
其中以上结论正确的是
您最近一年使用:0次
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2 . 写出一个最小正周期为4,且最大值也为4的函数:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
您最近一年使用:0次
2022-01-13更新
|
242次组卷
|
4卷引用:黑龙江省大庆市2022届高三上学期第二次教学质量检测数学(文科)试题
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3 . 下列命题中正确的是________ .
(1)
是
的必要不充分条件
(2)若函数
的最小正周期为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(3)函数
的最小值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
(4)已知函数
,在
上单调递增,则
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b158582e9757d109282e75d5edc686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed25c9224f7860eb19c6ab99f0948d28.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f43ade905d9bfd3069b85c22417fe4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e2e424c64727f24c1a6fb4653b2e99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
(4)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0687ad9bafede79419f9133290dc97fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1244b4054a33401f9fc1ce938ee6ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec164e3a756ff70634a0728856b64128.png)
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解题方法
4 . 设函数
,将
的图像向右平移
个单位长度后,所得的图像与原图像重合,则
的最小值等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/725eeb84a7e075c57fcc775162a85aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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解题方法
5 . 给出下列命题:
(1)设角
的始边为
轴非负半轴,则“角
的终边在第二、三象限”是“
”的充要条件;
(2)若函数:
的最小正周期为
;那么实数
;
(3)若一扇形的圆心角为2,圆心角所对的弦长为2,则此扇形的面积为:
;
(4)若
,
,
为
的三个内角,则:
的最小值为:
;
其中正确的命题是______ .
(1)设角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dddea0134685ce58a7a850ac8aa52aeb.png)
(2)若函数:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1976cca6b87fbef45f07b627379dbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13c9509f6f0cc86f498ddd898d0404c1.png)
(3)若一扇形的圆心角为2,圆心角所对的弦长为2,则此扇形的面积为:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7657a6195fc0c22c811f3241e3aa8a1.png)
(4)若
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e22b0859248973d51cd8eeafe373700a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca3e5db8fe81ca386480f1e7ef6c2fd.png)
其中正确的命题是
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2021-01-28更新
|
442次组卷
|
3卷引用:黑龙江省大庆铁人中学2020-2021学年高一上学期期末考试数学试题
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6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5e2a383cb47eb87493e86c8c40caf0.png)
的图像与
轴的一个交点为
,且与点
相邻的一个最高点为
,则当
时,函数
与函数
的图像的所有交点的横坐标之和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5e2a383cb47eb87493e86c8c40caf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6298bf20cdbac27154a6ca0527272d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/053953ef80bff9e6a684b0e63ba3b820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2ea080ba8e449d64bfdf2924d02bec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f86b6c9bd41dd0559fa23cef81d4dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次
2020-09-22更新
|
462次组卷
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4卷引用:黑龙江省大庆实验中学2020届高三综合训练(五)数学(文)试题
黑龙江省大庆实验中学2020届高三综合训练(五)数学(文)试题(已下线)5.4-5.7+阶段巩固提高练习-2020-2021学年新教材导学导练高中数学必修第一册(人教A版)(已下线)5.6 函数y=A sin?(ωx+φ)(备作业)-【上好课】2021-2022学年高一数学同步备课系列(人教A版2019必修第一册)(已下线)专题5.7 三角函数的应用-《讲亮点》2021-2022学年高一数学新教材同步配套讲练(人教A版2019必修第一册)
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7 . 已知点
,
,
在函数
的图象上,如图,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.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/0450dc8fc808a3468b8282eb30b7cd47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/5cad38ef-97c3-44eb-99e6-364ba79d814e.png?resizew=165)
您最近一年使用:0次
2020-01-19更新
|
315次组卷
|
2卷引用:黑龙江省大庆市铁人中学2019-2020学年高一上学期期末数学试题
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8 . 已知函数
(
,
)的部分图象如图所示,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a28faa8046ac234eb52909ed524f98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0d34c8bd4b8a0b6281b3f2af7a6976.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e4892080a918aa2127c09e8d4c28c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b890dfc51ec73d6ab53339d93e7bb6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6af3e2115ce0aaf5b99ac70c4441d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a28faa8046ac234eb52909ed524f98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0d34c8bd4b8a0b6281b3f2af7a6976.png)
![](https://img.xkw.com/dksih/QBM/2019/11/22/2339429339930624/2341011239256065/STEM/b7d97457-2010-4e27-ad1f-bf4b775371e3.png)
您最近一年使用:0次
2019-11-24更新
|
514次组卷
|
3卷引用:黑龙江省大庆市第四中学2019-2020学年高一上学期第三次月考数学(文)试题
10-11高一下·黑龙江大庆·阶段练习
9 . 函数
的最小正周期是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0095cc403dafa0e40f7263970e6b674e.png)
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