已知函数
的图像如下图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/b9c5c284-84e9-4241-b2b5-3e09816f0992.png?resizew=292)
(1)求
的解析式;
(2)在锐角△
中,内角
,
,
所对的边分别为
,
,
,若角
满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f0f2ff1f95ae487406cb1bf536e2457.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/b9c5c284-84e9-4241-b2b5-3e09816f0992.png?resizew=292)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在锐角△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fdeba282b028321696be7f90f2cbfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3aa688caadfeb5bdf9c7dfecb5afa31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1f7700c6e5c01292739836b978c394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
更新时间:2022-10-17 23:47:03
|
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/2021/1/24/2643055555641344/2645142293323776/STEM/b64f3593-7ae1-49c2-a66b-a57176dcef10.png)
(1)求函数f(x)的解析式;
(2)当x∈[-2,2]时,求f(x)的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9aa0fc5dac8f20172943d1360a129a8.png)
![](https://img.xkw.com/dksih/QBM/2021/1/24/2643055555641344/2645142293323776/STEM/b64f3593-7ae1-49c2-a66b-a57176dcef10.png)
(1)求函数f(x)的解析式;
(2)当x∈[-2,2]时,求f(x)的值域.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】函数
的部分图像如图所示.
的解析式;
(2)求
在
上的单调递减区间及对称轴.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de09041d258532d802ed432d0a2a1ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2342a2db30307693d58f460e7fea2b03.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐3】函数
的部分图像如图所示,将
的图象向右平移
个单位长度后得到函数
的图象.
![](https://img.xkw.com/dksih/QBM/2014/3/26/1571576520736768/1571576526356480/STEM/e2bffdd9-f2bd-47f1-9d51-c1698ebf5cb2.png?resizew=247)
(1)求函数
的解折式;
(2)在
中,角
满足
,且其外接圆的半径
,求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d389a5719031b775217a60f63c1469a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://img.xkw.com/dksih/QBM/2014/3/26/1571576520736768/1571576526356480/STEM/e2bffdd9-f2bd-47f1-9d51-c1698ebf5cb2.png?resizew=247)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f821038eab25618a3ccd7d0a4c481c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e159fa38488741d395ea9cb03386b1ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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
的三边
满足:
.
(1)求角
;
(2)若
,
,当
面积最大时,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be09b4d7ed0967e189019a648bb063b6.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae7888d643678ea18f83f3237732052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c99fe403dc736128f04390f0f01d48c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.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2】在
中,角A,B,C的对边分别为a,b,c,若
,
边的中线长为2.
(1)求角A;
(2)求边a的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6be3cfc1953bfbb2d5b3d7c7151ba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(1)求角A;
(2)求边a的最小值.
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,角
,
,
的对边分别为
,
,
,且
.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c181f86de3c96a7ef7a1a04c3a438f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b6bef27de230acad352f25e954f4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe29c42302504e7fd8577dbc7d130ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.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)
名校
解题方法
【推荐2】在
中,角
、
、
所对的边分别为
、
、
,
.
(1)若
面积为
,求
的值;
(2)若
,求
.
![](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/de5390bfae7fea4bc177905198bb71cf.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be92f11410351bf4d52deb71a45e147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5201fc26d013f6fb889933c0e32f5c53.png)
您最近一年使用:0次