名校
1 . 如图,直线
,点
是
之间的一个定点,过点
的直线
垂直于直线
,
(
为常数),点
分别为
上的动点,已知
.设
(
).
![](https://img.xkw.com/dksih/QBM/2020/1/30/2388072192073728/2388181329387520/STEM/259f8d3625d64876909c2ad47f08f89a.png?resizew=186)
(1)求
面积
关于角
的函数解析式
;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f419750fe2e81297e21646268adb07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da24c3c749a2daba3d3a5136c16fdb24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50515b0461f55861fd28f2774a2f01dc.png)
![](https://img.xkw.com/dksih/QBM/2020/1/30/2388072192073728/2388181329387520/STEM/259f8d3625d64876909c2ad47f08f89a.png?resizew=186)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8135ce2fc33a303efd2087106709d44e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8135ce2fc33a303efd2087106709d44e.png)
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2020-01-30更新
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1100次组卷
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7卷引用:湖北省武汉市华中师范大学第一附属中学2021-2022学年高一上学期期末数学试题