已知函数
的图像经过点
.
(1)求实数
的值,并求
的单调递减区间;
(2)当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4ddf111498971b2ffc711c7a266b16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e400cf4a97582c8d1e2dc10ed1a46c.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db64b3a1fb036b1e15ecc1420f008013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
2024·北京昌平·二模 查看更多[3]
北京市昌平区2024届高三第二次统一练习数学试题(已下线)专题02 三角函数图形与性质的12种常考题型归类(1)-《期末真题分类汇编》(北师大版(2019))(已下线)专题04 三角函数恒等变形综合大题归类 -期末考点大串讲(苏教版(2019))
更新时间:2024-05-07 13:22:35
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【推荐1】已知函数
.
(1)求
的周期和单调递增区间;
(2)求
在
上的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565c764a39ce558239f79b00bebcb467.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a52298e06894173520ca36a565bef5.png)
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真题
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【推荐2】已知函数
,
,直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0750e663882f339c1aa1379404668042.png)
与函数
的图象分别交于
、
两点.
(1)当
时,求
的值;
(2)求
在
时的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a19d6fa3789aed1a7750709cbcfabae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d70f63813f42446b1e09bfa1a15b5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0750e663882f339c1aa1379404668042.png)
与函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773aec60c33f9d9e421104cba8ff32bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3085600fba3d8ce8403ddc8b44996f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac35b1e8a952aac4f4cdaaf02d868d04.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac35b1e8a952aac4f4cdaaf02d868d04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2c294e037a37d3bc366bd9debaa596.png)
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解题方法
【推荐1】设全集
.
(1)解关于x的不等式
;
(2)记A为(1)中不等式的解集,集合
,若
恰有3个元素,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ccaf2fb1174d9314c3e9b07846059c.png)
(1)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1efd606be62ce7e46019e5939049a923.png)
(2)记A为(1)中不等式的解集,集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/364fda9063f4423eac08c3c309db9df4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686443e719162e47a26c9e3ed7b2a25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
【推荐2】在直角坐标系
中,以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.M为曲线
上的动点,点N在线段OM上,且满足
,点N的轨迹为
.
(1)求
的直角坐标方程;
(2)设点
的极坐标为
,点B在曲线
上,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4524013772e2770796a7df04ab323128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b924eaf9da589ccb4639c8541462c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad6bacd23216d4e83b0594ac1458822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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【推荐1】已知函数
为奇函数,且
图象的相邻两对称轴间的距离为
.
(1)当
时,求
的单调递减区间;
(2)将函数
的图象向右平移
个单位长度,再把横坐标缩小为原来的
(纵坐标变),得到函数
的图象,当
时,求函数
的值域.
(3)对于第(2)问中的函数
,记方程
在
上的根从小到依次为
,
,……,
,试确定
的值,并求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeef6f4f5e6c30158eab8dd4d7994075.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7bb537a3ebc4fa9380a8300c4d5e72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30df565ea4b03c3ab0124d155b54965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(3)对于第(2)问中的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea52f19b4d65754207e9188328945b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca46524e23ce781f3f2410cc3863a6a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf143ca6acd9bafcce6716f4e6f2d9a3.png)
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【推荐2】已知向量
,
,
.
(1)求函数
的对称中心及单调减区间;
(2)若
,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/617e52cfe605c038af7a9f846f544d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efb11c7d9b54e56c58c00389065a9e6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca00ac425e3e8f2e144f8dceba0b3c5.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ef1293170d5b185521684aff605aad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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【推荐1】已知函数
.
(1)若对于
,使得
成立,求实数
的取值范围;
(2)若
与
的图象有且仅有一个交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261f72fb1078c3a92e7d74b9646a6bf4.png)
(1)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49039c2fd609ace5e47b0b9df42ca058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc8c808c0517dff0b6538ff19a4c5c89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
【推荐2】已知函数
(a,b,
)有最小值
,且
的解集为
.
(1)求函数
的解析式;
(2)若对于任意的
,不等式
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d5e308cd5469e0f28a8d75f79903f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f306d2b261f4c39a9fc0858d96e647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac55d420e554e9a8352c1523a3e0043e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4921923069c4f38a0af1ff8637e35b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef21e452f60f4f0c6d810d4cccd8a309.png)
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【推荐3】已知函数
的图象关于直线
对称.
(1)求a的值.
(2)是否存在实数m满足对任意
,存在
,使
成立?若存在,求m的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790a797cca006e3cef7e540245932834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4ac2574bac4ba7421e5318c95d4296.png)
(1)求a的值.
(2)是否存在实数m满足对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef85b287d0fc9611ac7ba4bade11d864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1a5699410baa270f3fa8153ab346e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/021eb749163e3ed0a3f0a4cec1ef9a09.png)
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