1 . 若
中,
,
,那么
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ee608882881caff2f1e223177424ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9498c3fe203b8c0bb7dc4453ccfac2de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
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解题方法
2 . 已知
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8db11bffa3098c66cc6d1f5c1c5eff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe87d1d6d24df49d84b01eebd4e0de07.png)
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解题方法
3 .
为任意角,
的最大值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d3d77c408de52651cb5743aa5761fe.png)
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4 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c446363033f04ca59b889358b9b2453.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a332d154e34e9286e0bed1026ecea5be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c446363033f04ca59b889358b9b2453.png)
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解题方法
5 . 已知
为第一象限角,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d365725be563071d4e1199afaab35f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ac693bb65c15b65d7af36f63643e80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b007c73bdd56e81a0d4077c2c1ea63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d365725be563071d4e1199afaab35f.png)
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解题方法
6 . 已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e7cd4e866f7e0e38c51a799b087ace.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36699563c7fa028f407803e388dfe63b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f7cc5163e6cd7e413a6ab7024e875f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e7cd4e866f7e0e38c51a799b087ace.png)
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解题方法
7 . 双曲线
,左右顶点分别为
、
,P为双曲线右支上一点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8851971764c6af2711cc07df3d2a87f8.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c77225ff5f80f98a8a80e5e9c94d11b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd504cb6b5e24466cc6e27118c0f794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8851971764c6af2711cc07df3d2a87f8.png)
您最近一年使用:0次
名校
解题方法
8 .
,可以表示为一个偶函数
和奇函数
的和,则
的最小值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99c713dcff14a970da868225381fc95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
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名校
9 . 若锐角
满足
,则角
的度数为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d041f450946b8bdb0a2c29d23986add0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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10 . 设
是方程5x2-3x-1=0的两根,则
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd0e68971792ced283e6892b9cc56b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f96fa49a170809cf472b3ef0e86181f.png)
您最近一年使用:0次