名校
解题方法
1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec37e1720a988e1e9ec80f4928dd6ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
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2 . 已知
,求下列各式的值.
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26517458ed596bc80793c4c937765e9d.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd0e16acc13221d20e495496b49978d6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383086f6c1026e6b1c00e37c68f0413c.png)
您最近一年使用:0次
2023-03-01更新
|
500次组卷
|
2卷引用:上海市徐汇中学2021-2022学年高一下学期4月月考数学试题
名校
解题方法
3 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33ab1a0951f7484e70d6133cdeaeb31.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33ab1a0951f7484e70d6133cdeaeb31.png)
您最近一年使用:0次
名校
解题方法
4 . 已知
,
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e89799903030467042646f3e1014723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b992104248a854e6e033c26602aff813.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930078add83e94cd73cd1f6ebdcb23ce.png)
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名校
解题方法
5 . 若一个等腰三角形顶角的正弦值为
,则其底角的余弦值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfe975874e9c8ac38a8c0e3354e1024.png)
您最近一年使用:0次
2023-02-17更新
|
511次组卷
|
2卷引用:上海交通大学附属中学2022-2023学年高一上学期分科考试数学试题
名校
解题方法
6 . 已知方程
有两个不等实根
和
,那么过点
、
的直线与圆
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f299eaaf8c8a705eccb144ef66d039.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/09e7cdb48d117b067c2d9b7115cff041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ad572eb25682267ca6f62f04c37fae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
A.相交 | B.相切 |
C.相离 | D.随![]() |
您最近一年使用:0次
名校
解题方法
7 . 已知角
为锐角,且
.
(1)求
的值;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef930b4f4895f1fb731db6f0c02df313.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf878556b4554b50356eb85b718b25d.png)
您最近一年使用:0次
名校
8 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb4cfd515fe60eed88b2c0a582713ef.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7412bdc20922089c2230954f7ec680b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb4cfd515fe60eed88b2c0a582713ef.png)
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9 . 将
写成一个关于
的一元二次式和一个关于
的一元二次式的乘积,则可表示为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6ce6ac43147a912003f8188c2680f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d494c34104f679bdbea537164f1907.png)
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名校
10 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45c84eb6ae7e07a9a353d9c0515abae.png)
__ (结果用
表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6911baa69f5765798f55e278867ed83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45c84eb6ae7e07a9a353d9c0515abae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-01-29更新
|
284次组卷
|
2卷引用:上海市格致中学2021-2022学年高一下学期3月月考数学试题