已知
,
(1)求
的周期;
(2)求
的值域;
(3)求
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d8416265c5aa38e603bc319ad078b78.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
更新时间:2022-12-03 15:38:26
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【推荐1】已知函数
.
(1)求
的最小正周期和单调递减区间;
(2)若关于
的方程
在
上有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7b5fa68f14885d912ea7ec039dfb36.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a761229dccdb88af4669a18bf6233abc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42cd5fe9124a6fc0eb10893fe04cb166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐2】由扇形
和三角形
组成的平面图形如图所示,已知
,
,点
在扇形
的弧上运动.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/356268bf-6478-41e0-9632-8a88027f225b.png?resizew=151)
(1)求
的值;
(2)求四边形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa16146cb21f11693feffb0876c0795b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb802b0cd77d772dceff0d9ff6c879ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/758e50774fc38fc816c00cd7d628855c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5c90211047dc582b0777280cc60605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa16146cb21f11693feffb0876c0795b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/356268bf-6478-41e0-9632-8a88027f225b.png?resizew=151)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d06334bfc297b20ffa8fee33bfb6e05.png)
(2)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3740e101f0d49f386901c49f55efbc0.png)
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【推荐3】在直角坐标系
中,直线
经过点
,其倾斜角为
,在以原点
为极点,
轴非负半轴为极轴的极坐标系中(取相同的长度单位),曲线
的极坐标方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e578a9c0c98387d570f9b1b63f0dcb5.png)
(1)若直线
与曲线
有公共点,求
的取值范围;
(2)设
为曲线
上任意一点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cc0f9aa168e43cc5759f017d69b498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e578a9c0c98387d570f9b1b63f0dcb5.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d259822ab64b8626f3893b8432673358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf99adccc80f28343fedd8d0aad7429.png)
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解题方法
【推荐1】已知向量
,函数
.
(1)求
的最小正周期;
(2)当
时,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1347d0fee9148aa2d3b1169b4a36fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e7b2150ed88d3ffdec3d142617eacf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d49ec515fb1fdc93ca4dda443326ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6d7cddff6ef9d2959d5717eb6d5fa35.png)
.
(1)求函数
的最小正周期和单调递增区间;
(2)求函数
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6d7cddff6ef9d2959d5717eb6d5fa35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6889205677dfb9a02934c36088b75d7f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb989ff1d090b6214523c5ac92be8e3.png)
您最近一年使用:0次
解答题-问答题
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解题方法
【推荐1】在平面直角坐标系
中,角
的始边为
轴的非负半轴,终边过点
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530e5817131adf2c05b99ff18eb9060f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b6fe70f5b4d144429f4f5e7d340046.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c118dfc78385c931dc37a9320e7fa78.png)
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【推荐1】已知函数
.
(1)若
,且
,求
的值;
(2)求函数
的最小正周期及单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5681cff53d809bc01719e16f9eb0f5ad.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40d4beaee4a01f1b64d35b31b17a7da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19521132bfc1693ef8cbf6bd31222ee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ed59c2f306ae46a43bd56262b12092.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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【推荐2】已知函数
的图像关于直线
对称,且图像与
轴的相邻交点的距离为
.
(Ⅰ)求
的值;
(Ⅱ)将函数
的图像向右平移
个单位长度后,得到
的图像,求
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0e061ab75a68dd16b957c21b8dc940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f56a20bc5fce6b02217627b42249854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc045585fd3cd90060ffef82fd462e4b.png)
(Ⅱ)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdaf49f9611922348aa2784465da614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
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