已知点
是函数
的图像上任意两点,且角
的终边经过点
,当
时,
的最小值为
.
(1)求
的解析式;
(2)求
的单调增区间;
(3)当
时,函数
的最大值为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de0de3129f0c484d2542e4d0810cbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d567138df0561105466904837c9f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10735500d5bc4b13a0db06b722e47a97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b1648e2759dabb2d966e5ebc3c46d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.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
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1004151412152d78e4efe55c51ed7d98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2f68c7063c3ec188efd90500a3c90c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2020-02-14 17:37:29
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5e2a383cb47eb87493e86c8c40caf0.png)
的部分图象如下图所示.
![](https://img.xkw.com/dksih/QBM/2021/9/21/2812834871418880/2815239065108480/STEM/0df3521e63494401a0cf171ffda178bf.png?resizew=185)
(1)解不等式
;
(2)若存在
,对任意
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5e2a383cb47eb87493e86c8c40caf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b34108a454b7c0f9455a4a688688bbcd.png)
![](https://img.xkw.com/dksih/QBM/2021/9/21/2812834871418880/2815239065108480/STEM/0df3521e63494401a0cf171ffda178bf.png?resizew=185)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f98c0296c6ac48e3bbae5639e6e7714c.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e4f339ee59b5f58f22a4a68d1f4bba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec25b9d7ca47b780a744c2ebbf31d925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4a55719c5582a510e3edad8571c42f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
【推荐2】设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2035dda8c94a9eab6d8b0797e2f1787a.png)
(1)求函数
的最大值和最小正周期;
(2)在锐角
中,角
所对的边分别为
,
为
的面积.若
且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2035dda8c94a9eab6d8b0797e2f1787a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在锐角
![](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/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010988d86bd9ff02413ba6f749f64b68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891b3b48fb8ed2d4da169d6d45717bb6.png)
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适中
(0.65)
【推荐3】已知
(
),若函数
的最小正周期为π.
(1)求函数
的单调增区间;
(2)当
时,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba23d648bae31a9d9d83d606342a8d98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.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
|
适中
(0.65)
解题方法
【推荐1】已知点
,
是函数
图象上的任意两点,
,且当
时,
的最小值为
.
(1)求
的解析式;
(2)当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45dddee525114c09ee0d1205aed6e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3b54e0dcdc081d45fb3df933cddc29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50d7d0c0139bcc27862018d6734a0961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61c9a7ed0961f8977a21dab37aab396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca864ff1b61210bf34305c96eddd34e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478065c52e8b9515bfad8dc0e0a4f734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46fd2282439c5fc307aa9c719b0d4fa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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适中
(0.65)
名校
【推荐2】在
中,角
的对边分别为
,且
.
(1)求角
的大小;
(2)若函数
图象的一条对称轴方程为
且
,求
的值.
![](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/0bb26cf1c2542b4db038a1a697727362.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783516c845e11b6b6be2ba4edad8d7be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207841e14641362c76cbfe1d32d3c3b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cdde9cc0f44745bb9e93bca06ffd0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5d3f49b0ee1d1eee8c8f18496ff93a.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
解题方法
【推荐1】 已知函数
.
(1)求
的单调递增区间;
(2)对于任意
都有
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bfa77b8492b2091c92a7673b3e1366b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
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(0.65)
名校
【推荐2】已知
.
(1)求函数
的最小正周期及单调增区间;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21be1e059dbe73a201ac0c858929ae58.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72a16bb7b5045ad1b3114f1e891cf17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75fa574e4f03787f4b7295d5439d4a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07608cfad1844a58b9ac520a1eedfc20.png)
您最近一年使用:0次
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解题方法
【推荐3】某同学用“五点法”作函数
在某一个周期内的图象时,列表并填入了部分数据,见下表:
(1)求函数
的解析式;
(2)求
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e658113eadee1b45111b2a927c24e2f.png)
0 | |||||
x | |||||
0 | 0 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7ac80b964f5baf79f5faa7ac1e2983.png)
您最近一年使用:0次