已知函数
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/17/68bdfbc5-cb85-43e2-9090-e7138b0cdac9.png?resizew=253)
(1)若
为
的最小正周期,用“五点法”画
在
内的图象简图;
(2)若
在
上单调递减,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/226cfc6ccb2383c43e530c5c9765934e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/17/68bdfbc5-cb85-43e2-9090-e7138b0cdac9.png?resizew=253)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42992de508e4eb3031bf8ff44dcff45b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57a0bf9050601ddff60923ff78a5f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
2023·辽宁丹东·二模 查看更多[2]
更新时间:2023-05-15 15:06:56
|
相似题推荐
解答题-作图题
|
适中
(0.65)
解题方法
【推荐1】已知
是函数
图象的一条对称轴.
(1)求
的值;
(2)求函数
的单调增区间;
(3)作出函数
在
上的图象简图(列表,画图).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b87a2a38506204a9f34596d5c171eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c261519a11a3c2f88dd202e9ef1ecdc7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://img.xkw.com/dksih/QBM/2015/11/27/1572324969529344/1572324975263744/STEM/ab68370ed0a64ae082bd59f02ecea497.png?resizew=302)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】已知
.
(1)画出
在一个周期内的图象
(2)求
的单调增区间
(3)求
时函数值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e393814e4dbd726ae73c616c8699f9e7.png)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfeb726c3854090ebfcb7033076b0f85.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】在
中,内角
、
、
对边的边长分别是
、
、
,已知
.
(1)若
,且
为钝角,求内角
与
的大小;
(2)若
,求
面积的最大值.
![](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/3e67ca35a7d37b2150674a4c52640a68.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdcd8e2985d160abdc58aec0fe15a5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
【推荐2】已知函数
.在下列条件①、条件②、条件③这三个条件中,选择可以确定
和
值的两个条件作为已知.
(1)求
的值;
(2)若函数
在区间
上是增函数,求实数
的最大值.
条件①:
最小正周期为
;
条件②:
最大值与最小值之和为0;
条件③:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0b80cce7b7bae910a71b8e2941a778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe9d6c7cb192d9560cd313c918b9f37.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de19660891d25af49f7a2f64fda5565e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
条件③:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46305fedfb17a208a8b4cab7ebceddfc.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知函数
(
)的最小正周期
.
(1)求函数
单调递增区间.
(2)若函数
在
上有两个零点,求m的范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0832a3af1a7738de91391570ae6b082.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7314e09274824bea4f7fd6e4302b4a35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd1017814e9883c21b17e43703a7272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f457df0f9d14437a7f0443bb297e6ee8.png)
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适中
(0.65)
【推荐2】已知函数
(
,
,
是常数,
)的最小正周期为
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(1)求
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(2)在闭区间
上是否存在
的对称轴?如果存在,求出其对称轴方程;如果不存在.请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed51b26682cc2a9bf287d63e671c40a5.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/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fac9575a5985527e283f7295fdaf72c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56b81a79d0e7164474c2499e1a3a7e8f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在闭区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129d060fcc18c19c9c897ab554d63a21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
【推荐3】函数
在一个周期内的图像如图所示,
为图像的最高点,
为图像与
轴的交点,且
为正三角形.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/14e1cc6d-40fe-46d8-abf9-e198e07ea721.png?resizew=154)
(1)求
的值;
(2)若
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,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76531c685cbe96a0cc15966538b81ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/14e1cc6d-40fe-46d8-abf9-e198e07ea721.png?resizew=154)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45543cc7952536116ea3b0024eb22f1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4352dfe95446ab24b2c5aba37a13b59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f4ac977c88fafb7c12144d0a9256856.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
解题方法
【推荐1】已知点
,
,
为坐标原点,函数
.
(1)求函数
的最小值及此时
的值;
(2)若A为
的内角,
,
,求
的周长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5795873a3546820b08ce85aadfe0222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16601b49d44c2f94167e5f420201d772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a7eea2c80b2f9aa03c1e220e4436f3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若A为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/840f68da95abe6a11920eb43572330fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数
.
(1)求
的最小正周期与单调增区间;
(2)若
,求函数
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880abea3289f384be9a9c927e8b4aa97.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b0fd50ac74f1578fff87c2e18ffe80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次