已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b20b0860bb2c0bdd66c082123b4b2ccd.png)
为奇函数,且
图象的相邻两对称轴间的距离为
.
(1)求
的解析式;
(2)
的内角
,
,
所对的边分别为
,
,
,已知
,求角
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b20b0860bb2c0bdd66c082123b4b2ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9883249d259b56391e4634c7aaa49da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)
![](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/561073b9ff304d37589021d1fa69232f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
更新时间:2022-04-17 07:09:37
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】已知函数
,再从条件①、条件②、条件③这三个条件中选择两个作为一组已知条件,使
的解析式唯一确定.
(1)求
的解析式,并写出单调区间;
(2)设函数
,求
在区间
上的最大值.
条件①:
的最小正周期为
;
条件②:
为奇函数;
条件③:
图象的一条对称轴为
.
注:如果选择多组条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40899755d6535746c1ea5574a146adf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde8f5762e78dc11c158bc6ddb1b7a1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de694144e7993d8a34e6c5d98664d031.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
条件③:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6461468072bd27afd53fd5f9c3bf344.png)
注:如果选择多组条件分别解答,按第一个解答计分.
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解答题-问答题
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适中
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解题方法
【推荐2】已知向量
,函数
.
(Ⅰ)若函数
是偶函数,求
的最小值;
(Ⅱ)若
,求
的值;
(Ⅲ)求函数
在
上的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e26c6908d6e1f37b214f3b9ef1e3d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9b2be07669f71882ef4307b9c929c9.png)
(Ⅰ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f4fead647a57e30fa6ffa3602cf76e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/263846bdcfa4ac80002a89d5f2ce0bcb.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e395b98a0b8e4f06def9f038dd0ff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
(Ⅲ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20764d22e1e88091a07a7f7a36816739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00d33d0b48c3444e14e532fee2f3ff14.png)
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解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐1】已知a,b,c分别为△ABC三个内角A,B,C的对边,且
.
(1)求
;
(2)若
,求
最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c59168d3b6c99fe4fcf2f001e66b0b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03005d17bf564371ad29fea41f5c650.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af039cad52ca4e1f1e322277bc81afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/303e231e4c9735ceb2f909f955bb9f12.png)
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解答题-问答题
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适中
(0.65)
【推荐2】(1)设函数
,其中θ∈
,求导数
的取值范围;
(2)若曲线
与曲线
在它们的公共点
处具有公共切线,求公共切线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc1e1a0c2b57447f2c095d5e56641e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed4967a77f1ca19fb606497defded211.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad19d1ad05a31122ad5163011c89572.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c60b6eee6448a408616e1b61bd793f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37254351125380127823c0fd7d95458d.png)
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解答题-证明题
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适中
(0.65)
名校
解题方法
【推荐1】已知
的内角A,
,
的对边分别为
,
,
,
,
.
(1)若
,证明:
;
(2)若
边上的高为
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/f08ce80e91fdf435a8e3ec05be990e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a58a85fba1f83ba3036b0a988a8d81b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d71bb4c17a801069b0dec6ce33d3b4d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5528e7af7a80d69178e7db04e64fe0e3.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
解题方法
【推荐2】△ABC中,角A,B,C所对的边分别为a,b,c.若
.
(1)求cosC的值;
(2)若A=C,求sinB的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7abf632856c43771dcb858fd432007e.png)
(1)求cosC的值;
(2)若A=C,求sinB的值.
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
解题方法
【推荐1】在
中,
.
(1)若
,求
;
(2)若
存在且唯一确定,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54667aa0f8c6473b1bdc001c01bd318d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526d1c1f892971b9398ba764356dec3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcfa3e340b3976832d450dd4ae7e7a7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
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适中
(0.65)
【推荐2】设
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![](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/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/1225fd03e8e8730dac8487dae5387635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0043c31e530508a1d6abe5e22c1512d1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e59722d6fece8b665499bf57c8c53e7.png)
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