已知函数
为奇函数,且
,其中
,
.
(1)求函数
的图象的对称中心和单调递增区间;
(2)在
中,角
,
,
的对边分别是
,
,
,且
,
,
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86de1099bca9c67da58c26e129c48435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81c7863f0f24a62b0e2b881610029ec8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc8ef902dc3481ae24d888f57466154.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/b8d8590987e5ab19685f42880d66a433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7840b6cffe203d28d6c14e526ffdeee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
17-18高三上·河北张家口·期末 查看更多[2]
更新时间:2017-03-06 12:24:55
|
【知识点】 正(余)弦型三角函数的图象解读
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知函数
的一系列对应值如表:
(1)求
的解析式;
(2)若
为锐角三角形,且
,
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f26765b493dcb0cb3ebe4f7ef74c3c6.png)
![]() | ![]() | 0 | ![]() | ![]() | ![]() | ![]() |
![]() | 0 | 1 | ![]() | 0 | ![]() | 0 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0e43805b893f9aae4787a449aafa36f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
名校
【推荐2】设
,函数
的最小正周期为
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/17/6e2cc424-4a04-4341-8997-70436474cc20.png?resizew=393)
(1)求
和
的值;
(2)在给定坐标系中作出函数
在
上的图像;
(3)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453575f3c56382f1afa137e1159ff92c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f712d3994ae98fb5b302d50b255600.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/17/6e2cc424-4a04-4341-8997-70436474cc20.png?resizew=393)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)在给定坐标系中作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aae9c8988f4a48db69cad3308942c9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e516f75245f6eeb0feac1ea0658c20d.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
|
适中
(0.65)
解题方法
【推荐3】已知函数
的部分图象如图所示:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/9/3c0131e3-5f04-4fa0-a3d3-dad0ee90551a.png?resizew=191)
(1)求
的表达式;
(2)若
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509986d2623137c8960d125b730dc6c9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/9/3c0131e3-5f04-4fa0-a3d3-dad0ee90551a.png?resizew=191)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da19f0d43a33b280c90491d999ce8227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7607b8bdc7a83e936edf208d62e0eafb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9823d1acef076c4d3b9f8f29c7b38b.png)
您最近一年使用:0次