1 . 在
中,
,
,
,则
的解的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08ce80e91fdf435a8e3ec05be990e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019eb94a6a2b38308811470d860e1a20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c5840e0454fdec7d2158072c43b8db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
A.0个 | B.2个 | C.1个 | D.无法确定 |
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解题方法
2 . 已知△ABC的内角A、B、C所对的边分别为a、b、c,下列说法正确的是( )
A.若![]() ![]() |
B.若![]() |
C.若![]() |
D.若![]() |
您最近一年使用:0次
2023-06-17更新
|
260次组卷
|
2卷引用:山东省滨州市高新高级中学2022-2023学年高一下学期期中考试数学试题
3 . 已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/758c9b07678334dd8119ba870d88591e.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8243953e45f9db416d64b444b259b02b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d204082daeea4b4a5b8396ebf2b80e9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/758c9b07678334dd8119ba870d88591e.png)
您最近一年使用:0次
4 . 以下各式化简结果正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 某数学兴趣小组设计了一种螺线,作法如下:在水平直线
上取长度为
的线段
,并作等边三角形
,然后以点
为圆心,
为半径逆时针画圆弧,交线段
的延长线于点
;再以点
为圆心,
为半径逆时针画圆弧,交线段
的延长线于点
;再以点
为圆心,
为半径逆时针画圆弧,交线段
的延长线于点
;再以点
为圆心,
为半径逆时针画圆弧,
;以此类推,得到的螺线如图所示.当螺线与直线
有
个交点(不含
点)时,则螺线长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee7bb49247387a9028602315729f8d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/18/e2d58fe4-7c36-4c7c-a8ad-4f22b80b28cd.png?resizew=223)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知函数
的图像关于
中心对称,且图像上相邻两个对称轴的距离为
.
(1)求函数
的解析式;
(2)设
,
,且
,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ff59684d120928b8cd2361adfa1d3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b2b096238bd6eac8cd1ab2c4348fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d9f85a38eb83c7f9a182458e6ebacf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8d549130c5be01b3cb0c48a8cf260e.png)
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7 . 函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a984343e999da48b906b36117c01e73c.png)
在
上是减函数,且在
上恰好取得一次最小值
,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a984343e999da48b906b36117c01e73c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff46406cf7f298db70f81da8ea0ea4e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1625acd8f964c438e10bc331419a91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
名校
解题方法
8 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983a0336d478e8013d8f67bd91718a0a.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e11a7a2196a0e135ded4d0135f359244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983a0336d478e8013d8f67bd91718a0a.png)
您最近一年使用:0次
2023-06-15更新
|
596次组卷
|
2卷引用:山东省日照市2022-2023学年高一下学期期中校际联合考试数学试题
名校
9 . 在
中,
为钝角,则点
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e1c58c02b53b1333505d9d678a62c1.png)
A.在第一象限 | B.在第二象限 | C.在第三象限 | D.在第四象限 |
您最近一年使用:0次
2023-06-14更新
|
861次组卷
|
4卷引用:山东省日照市2022-2023学年高一下学期期末校际联合考试数学试题
名校
10 . 已知
分别为
三个内角
的对边,若
,则满足此条件的三角形个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](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/e592b59701245cea796bd825a008baa0.png)
A.0 | B.1 | C.2 | D.1或2 |
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2023-06-13更新
|
1309次组卷
|
5卷引用:山东省滨州市部分校2022-2023学年高一下学期5月月考数学试题