已知向量
,
,且函数
.
(1)求
的周期
(2)若将函数
的图像上的点的纵坐标不变,横坐标缩小为原来的
,再将所得图像向左平移
个单位,得到
的图像,求函数
在
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a174c3d5421d950d373755ec83ed6e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f91711fbacc6ace75dc23db99a73c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c25f1d401fe5fd8748bb7c89751493b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e24f048f9a87274863ba2c037d7a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0a5133b8460df6c46da0e44051e2a5.png)
更新时间:2023-07-09 10:49:05
|
相似题推荐
解答题
|
较易
(0.85)
解题方法
【推荐1】已知函数
.
(1)求函数
的最小正周期;
(2)求函数
在区间
上的最小值和最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc7dcce7d1b1d24c6dc00393bb5c461.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/9c6218288ba9088defb1d71099ab99a5.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】已知向量
,
,定义
.
(1)求函数
的最小正周期和单调递减区间;
(2)求函数
在区间
上的最大值及取得最大值时的
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607238f6749fa888da7c5c6fb19d86cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b869b1c5ee5b1cb47e35edb48c5ce812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e7b2150ed88d3ffdec3d142617eacf.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aae9c8988f4a48db69cad3308942c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐1】已知函数
,
,将
图象向左平移
个单位长度后得到
图象.
(1)若点
为
图象的一个对称中心,求a的最小值:
(2)若
,求函数
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2d19252d877e95084984915e5eda2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e879f972b5f448e91c4d98cb2ee9dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af26a1d08d8c443ce9bfb8ec8497ac43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐2】已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/2022/4/27/2967369665503232/2974356087496704/STEM/d12d428d-35e3-4df4-bf0a-f3ddea321bbd.png?resizew=167)
(1)求函数
的解析式;
(2)将
图象上所有点的横坐标缩短到原来的
(纵坐标不变),得到函数
的图象,求函数
的解的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eedf05d25516171cef61dbdb1240581b.png)
![](https://img.xkw.com/dksih/QBM/2022/4/27/2967369665503232/2974356087496704/STEM/d12d428d-35e3-4df4-bf0a-f3ddea321bbd.png?resizew=167)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b082811daf08be33df9cb57fcc0ee20.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐3】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/515ca040d2d4428a981a258736ac5f20.png)
(1)求函数
的对称轴方程;
(2)将函数
的图象向右平移
个单位长度,得到函数
的图象,当
,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/515ca040d2d4428a981a258736ac5f20.png)
(1)求函数
![](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/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2645398c3946e1a9282c219824f167d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】已知函数
;
(1)确定函数
的单调增区间;
(2)当函数
取得最大值时,求自变量x的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6635baf9c0c247bf82013b9b8879010.png)
(1)确定函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】在
中,角
,
,
所对的边分别为a,b,c,已知
.
(1)求角A的大小:.
(2)若
,
,
的面积为
.
①求b,c的长;
②求
的值.
![](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/80902976f7f1ff87e6a779a8870f0731.png)
(1)求角A的大小:.
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783d6adfa8fb1352679c5185258d842a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d70009d48ea5ed5e20cc5eff3d557e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb57d84f9bbcb3e30d4ce7e2e1e8604.png)
①求b,c的长;
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46aa5a2f2e02a2df08db78fc6261788e.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐1】已知向量
,
.
(1)若
,且
为第二象限角,求
的值;
(2)若函数
,求函数
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/648cf1d187f0970cdd27d0b6e0de17f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45241352d1b4b25381414463c23450c9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2758285d3c1d8c16784edbc5f572fc26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1feb9428bab44e84c95b91f8e30e44c7.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba6d67047a526cd82486ff86fa530d5a.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
|
较易
(0.85)
【推荐2】已知点
.
(1)求
的坐标及
;
(2)若
=
+
,
=
-
,求
及
的坐标;
(3)求
·
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb46ac0b8814c2b52473132258c00dd2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe35c91649a5bea2518387a2b36e0c0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de79bc7c55e83d9b290fc2a56c5f67da.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7195a0b5b59c9462b9faaf5a9fcfc6e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/911c0a2ab5e2e85f1ad267f41cb96b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794efd8cf0cc386faa170d01f357b1c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd69cf645cd399c831a859d709d2b05b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/911c0a2ab5e2e85f1ad267f41cb96b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794efd8cf0cc386faa170d01f357b1c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7195a0b5b59c9462b9faaf5a9fcfc6e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd69cf645cd399c831a859d709d2b05b.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/911c0a2ab5e2e85f1ad267f41cb96b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794efd8cf0cc386faa170d01f357b1c5.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐3】已知平面向量
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b3515de9a26c0397039e077f272b1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b395c26a966dcf23d4324ed43c1b914e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e16eb319ee454088f5b527cf6c4d5.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596a3ee5d8473fc6619ea7730e13325b.png)
您最近一年使用:0次