1 . 若锐角
满足
,则函数
的单调增区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81cd69efd5fb9451de2bda8f7a6b8de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47abbf625df78522bcfcb39cf6a67732.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2 . 已知函数
.
(1)求函数
的最小正周期;
(2)将函数
的图象向右平移
个单位,在纵坐标不变的前提下,横坐标缩短为原来的
,得到函数
的图象,求函数
在
上的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/748d8fb98aab65d80a53734eee4efe5a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bdff6c5115989681766adc33aaed62b.png)
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2023-02-02更新
|
559次组卷
|
2卷引用:河南省周口市陈州高级中学2021-2022学年高三上学期10月月考数学(理)试题
3 . 已知圆
的半径为
,
为圆
的两条切线,
为切点,设
,则
的最小值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48980cd24d9c2ebcb9d4d4f0c244a2d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4bca10e5f55676add8a981307609f9b.png)
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解题方法
4 . 已知
,给出下列判断:
① 若
,且
,则
;
② 存在
,使得
的图象右移
个单位长度后得到的图象关于
轴对称;
③ 若
在
上单调递增,则
的取值范围为
.
其中判断正确的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d32402f7b573aad229b565aed338d51.png)
① 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4b8f430bc9c87dd4633b8aff127532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6efc9d3d7790cbc990483cbe23d9ef50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05a467ddaa138590b3b56615c2c42a5.png)
② 存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d146b35aafbdf1191e16672217cea74d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
③ 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b10e1a98c800f365f6322837973d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d6d8f1ce4eb43c61849cea0b4d72d8.png)
其中判断正确的个数为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 在平面直角坐标系
中,
为第四象限角,角
的终边与单位圆O交于点
,若
,则
( )
![](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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0d139c9810361b4971904a943856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5732de56367b4011473197a9ec8305b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bd426e7e1e65d91394da0b28d49f65.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
6 . 已知
,
,且
与
的夹角为钝角,则x的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e3af430dc98f7bd2daead35dc859b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/774f9b79f4edb91ef6b517c7be332a01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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7 . 已知平面向量
与
的夹角为
,
,
,则
=____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11371d751417ab83529ccd3c0acc43da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf342e77c56e55a35bb1151bc215a3a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb6118172f384a565afcdfd84e9cdb0.png)
您最近一年使用:0次
解题方法
8 . 已知
,
,则
=( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12adf7b17866121692da42d88acf94cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/529d3ae88b31e2436ee24f44362cdd3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 过
的重心任作一直线分别交
、
于点
、
,若
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994b39cf215f2dc0505f9f511bf29755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db2be554131d3a3b229531806526e82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d480f0fe759b6773d568ea7bcd2f19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e415284e570b1ef3b557d3fad624722.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-01-31更新
|
660次组卷
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6卷引用:河南省信阳市商城县观庙高级中学2021-2022学年高三上学期12月月考好分数跟踪补练数学(理)试题
河南省信阳市商城县观庙高级中学2021-2022学年高三上学期12月月考好分数跟踪补练数学(理)试题(已下线)6.3平面向量基本定理及坐标表示A卷(已下线)【一题多变】三点共线 向量斜率人教A版 必杀技 第二章 平面向量 2.3.1平面向量基本定理人教A版(2019) 必修第二册 必杀技 第6章 6.3.1 平面向量基本定理(已下线)微专题04 平面向量痛点问题之三角形“四心”问题(2)-【微专题】2022-2023学年高一数学常考点微专题提分精练(人教A版2019必修第二册)
名校
10 . 已知函数
,将函数
的图象先向右平移
个单位长度,再将所得函数图象上的所有点保持纵坐标不变,横坐标变为原来的
得到函数
的图象,若函数
在
上没有零点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6e9116d95b42e689a4eeb805aa052a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90a595daf4413a2658b6661089a4c976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68d62482d548bcd517188178fd36bc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-01-31更新
|
296次组卷
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2卷引用:河南省鹤壁高中2021-2022学年高三上学期一轮复习质量检测(二)数学(文)试题