1 . 已知
,
(1)求
的值;
(2)若
是第三象限的角,化简三角式
,并求值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b951e66702f574883f1621f5cdf30e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c5a05a11f731194a845e68a0479ce4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef2b3ea4b930c2b056c74dc3a13256f.png)
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2 . 已知向量
,函数
.
(1)求函数
在
上的单调递减区间;
(2)若
,且
,求
的值;
(3)将
图象上所有的点向左平移
个单位,然后再向上平移1个单位,最后使所有点的纵坐标变为原来的2倍,得到函数
的图象,当
时,方程
有一解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95dcf4a88de252d3b3385deb8741601c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc1525aee9019a25cf71dc6054ec1ce.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc1525aee9019a25cf71dc6054ec1ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c195698ac387fe53b3b1e0248a1fcc92.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ca1b47ff31f505df95eada1803d6052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab23bb781ca1676f8ffd05fcc1e8080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ff0e5c78c04beea4e773185195da30.png)
(3)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd569dea5ce34578ebec285e816dbdc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
3 . 化简计算:
(1)
;
(2)设
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565bebf8472f3764fa1ca597cca561aa.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275afa38f5f1e4a53bd503f3e1b22a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ecd5f251e8a94a611cc98d239ff9575.png)
您最近一年使用:0次
2020-08-16更新
|
1244次组卷
|
3卷引用:陕西省西安市蓝田县2018-2019学年高一下学期期中数学试题
名校
解题方法
4 . 如图所示,在
中,
,
,D、E分别是边AB、AC上的点(不与端点重合),且
.再从条件①、条件②、条件③
;
条件②:
;
条件③:
.
中选择两个使得三角形存在且解唯一,并求:
(1)
的值;
(2)BE的长度;
(3)四边形BCED的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f289ef19c7418a898ea18747aa76e783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e32513c66bca1e2d1706d50a6615df1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2062d1390ac135636bf90a43f7e8be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ddad21a6de8f54e65123d274c0098c8.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2dbe04f6b2e96d9a74bbb3ea881baee.png)
条件③:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adaead91b4b6febfcdd6f995d81e550.png)
中选择两个使得三角形存在且解唯一,并求:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32e2f2d7147cf1699fbfdef9cf4af74.png)
(2)BE的长度;
(3)四边形BCED的面积.
您最近一年使用:0次
名校
5 . 已知向量
.设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05a6cc49b03f4b7da0fefb029a14cf58.png)
(1)求函数
的解析式及其单调增区间;
(2)设
,若方程
在
上有两个不同的解
,求实数m的取值范围,并求
的值.
(3)若将
的图象上的所有点向左平移
个单位,再把所得图象上所有点的横坐标伸长为原来的2倍(纵坐标不变),得到函数
的图象.当
(其中
)时,记函数
的最大值与最小值分别为
与
,设
求函数
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add9801d1b906f7cddf1725e88d84a90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05a6cc49b03f4b7da0fefb029a14cf58.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223946a8c729218783ba2d11aa2660e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea255cfc616958b3909b16753af9692d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c0159678a67e7952f768abbb50f2aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa806bb18cade926351eecc7278709d.png)
(3)若将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7ea65be0351e839d45d598dfb254b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f9a85cca88a7dea5bdde659ea584372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b9be370811e7fda6f7267064e221df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5622236b5d30b004137a4fd767891143.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4700c4e9e580beb3ff2ac67aede44a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3c58baa2d0268c8c911827604ef96a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ca052f322f05e9e03114eefc037635.png)
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6 . 已知函数
(
,
)的图象与
轴的交点中,相邻两个交点之间的距离为
,且图象过点
.
(1)求
的解析式;
(2)求函数
的单调递增区间;
(3)将函数
的图象向右平移
个单位,再将图象上各点的横坐标伸长到原来的2倍(纵坐标不变),得到函数
的图象,若关于
的方程
,在区间
上有且只有一个实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a1b51fc74390c262bc0bcaeb20369c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417d254ddbb90974f271dbc8c60e8782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ba3ed3e0001719b9b529ac8725a7f6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e24f048f9a87274863ba2c037d7a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebeedf8ab92a660d0c1346c7bbe156e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
7 . 已知函数
.
(1)求
的值;
(2)求
的对称轴;
(3)若方程
在区间
上恰有两个解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48bc2a6c90ccae47d0608d36f4ba6bb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5fb345886d4c123d520fc92c8529df5.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad4fc14622706840be7ce0d1a541a9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257b5cac000fa7c846215d986d6aa90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
,其中
.
(1)求
在
上的解;
(2)已知
,若关于
的方程
在
时有解,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aafa1cdcfb6e455a193e51ba0ae8354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342de1b83168e6b965e9b2e20adb7b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba113f2553d8ab8074efd38288ec4d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
您最近一年使用:0次
2024-04-01更新
|
491次组卷
|
3卷引用:上海市浦东新区2024届高三下学期期中教学质量检测数学试卷
名校
9 . 已知函数
.
(1)求函数
的单调递增区间;
(2)将函数
的图象向右平移
个单位长度,得到函数
的图象,若关于x的方程
在
上恰有一解,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbcc39e8378e8ba688b20d862501e9e7.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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7eb8a9ad6018328831a38030e960d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c26952e106d6e055cc5b0cfdac6ff2f.png)
您最近一年使用:0次
2024-02-04更新
|
1012次组卷
|
4卷引用:四川省泸州市合江县马街中学校2023-2024学年高一下学期5月期中考试数学试题
名校
10 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444d0d50212c891cd4810438b3c73c42.png)
(1)若把函数
的图象向右平移
个单位,得到函数
的图象,求函数
的单调增区间;
(2)求方程
在区间
上的解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444d0d50212c891cd4810438b3c73c42.png)
(1)若把函数
![](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/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2584f656a88aa8d169031cb5d22f3681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e396eaefac827c7e5944625d9a9ea72b.png)
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