已知函数
.
(1)求函数
的最小正周期和单调递增区间;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b282c90a91eede342f219b5313fb89.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b16928b0d13b3ad1e44b1dc236a6603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf7593f1caae779e705c44703ad88662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ff0e5c78c04beea4e773185195da30.png)
更新时间:2020-03-09 16:48:43
|
相似题推荐
解答题-问答题
|
适中
(0.65)
真题
【推荐1】已知函数
.
(1)求
的值;
(2)设
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f049f4d90bfc02b95681eacb0a5cd2f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ff6995b4d2d18c865c51488b9c1bb0.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2076cbdf12d4517b4dd8bbb693ed52f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】
中,内角A、B、C的对边分别为a,b,c.已知
,
.
(1)求
的值;
(2)若
,求b.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/534f33cc16d82470cbff68beffead264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0c51706742717f9f5a92d95c31b51b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721e29b775e696045f44a4b1e7f74ef2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39900a2d790732077ffb571427a134fd.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知函数
=
.
(1)求
的最小正周期;
(2)求
的单调递增区间;
(3)当x![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb097d35330e35e202dba33bb892afb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)当x
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f457df0f9d14437a7f0443bb297e6ee8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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
,
,若
,求:
(1)
的最小正周期和对称轴方程.
(2)
的单调递增区间.
(3)当
时,函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579bfb6c9a9e4d372a85070683ff627c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530c0eca8cbef162eb1e82d2d451f32c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f65ed6d1132d1c8817db3465a9d8fe8.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeec5a594885e721499dc99bad929f0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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】已知函数
的部分图像如图所示.
![](https://img.xkw.com/dksih/QBM/2022/7/18/3025132439199744/3029567945867264/STEM/c37c2baae13a4c02b91be76622ec48fe.png?resizew=141)
(1)求函数
的解析式;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa97014d3fd47bc9eb1870b6595a1a46.png)
![](https://img.xkw.com/dksih/QBM/2022/7/18/3025132439199744/3029567945867264/STEM/c37c2baae13a4c02b91be76622ec48fe.png?resizew=141)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd0f76789ad7e4f310ccd984b4009a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b86b4790c483df0f654898d36033f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】如图,在平面直角坐标系中,角
的顶点与原点重合,始边与x轴的非负半轴重合,角
的终边与单位圆分别交
,
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/54ca14e6-9520-46a4-b6a5-0ccefb51561d.png?resizew=161)
(1)求
的值;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9dcb4ba030f0231536ad2f69ff8e30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f508b8950085d4b90164ad7b3cbf7d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/54ca14e6-9520-46a4-b6a5-0ccefb51561d.png?resizew=161)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6abc69c57972a4efb8301e3308ea9ca6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2865854f3ac7f8fd6042b13dac3f51b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d311d6dcecdbabd256935e951273da39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db796b223b35e52aa7b4114da8072f5.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
.
(1)求出该函数的单调递减区间;
(2)当
时,
的最小值是
,最大值是
,求实数a,b的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a591ad6b1b2f1afe8ac1bf928aaaf0d.png)
(1)求出该函数的单调递减区间;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】设函数
,
图象的一条对称轴是直线
.
(1)求函数
的单调增区间;
(2)求函数
在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0152815e3c2843aafad1409a0ddbba45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e60b49815c5c25b48e6c74d7077851a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa0c188255dc8c9367aaf33bc86a462.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐3】已知函数
,其中
,
.
(1)求函数
的单调递减区间;
(2)在
中,角
所对的边分别为
,
,
,且向量
与向量
共线,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e7b2150ed88d3ffdec3d142617eacf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55abb6d09ccfab2c4e3125095af62d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/053bd170362df045af410c9c61f5de14.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78851fe4b929763a7897417e3ecd054d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783d6adfa8fb1352679c5185258d842a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b94a4a6bd31c3cba6533f34dc5b43b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7499122da1eff96c4e3ff2286c63c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次