名校
1 . 已知函数
.
(1)化简函数解析式,并填写下表,用“五点法”画出
在
上的图象;
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/7cd07d29-eddf-4c86-a1d8-2066afdc824f.png?resizew=337)
(2)将
的图象向下平移1个单位长度,横坐标扩大为原来的4倍,再向左平移
个单位长度后,得到
的图象,求
的对称中心.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff135600c38210d4273f982efbf8e639.png)
(1)化简函数解析式,并填写下表,用“五点法”画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aae9c8988f4a48db69cad3308942c9.png)
![]() | ![]() | ![]() | ||||
![]() | 0 | ![]() | ||||
![]() |
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/7cd07d29-eddf-4c86-a1d8-2066afdc824f.png?resizew=337)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
2023-02-22更新
|
763次组卷
|
3卷引用:湖南省2022-2023学年高一下学期开年摸底联考数学试题
湖南省2022-2023学年高一下学期开年摸底联考数学试题广西百色市平果市铝城中学2023-2024学年高一上学期期末数学解答题专项训练(一)(已下线)专题23函数y=Asin(ωx+φ) -【倍速学习法】(人教A版2019必修第一册)
23-24高三上·河北保定·阶段练习
名校
解题方法
2 . 已知向量
,向量
,令
.
(1)化简
,并在给出的直角坐标系中用描点法画出函数
在
内的图象;
(2)求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8105fd9b4e59444ab04510f8b0656b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a59ca480aaab79b5dd730a2f662b587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6644fac6a23b4447470aac650a5fa870.png)
![]() | 0 | ![]() | ||||
![]() |
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/19/87889a7a-1850-4d0b-ac41-e497baa69ca7.png?resizew=252)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/906fb9e7387b41772f3bd6e968799db9.png)
您最近一年使用:0次
2023-10-31更新
|
182次组卷
|
3卷引用:河北省保定市易县中学2023-2024学年2023年高三上学期高三摸底考试10.31
(已下线)河北省保定市易县中学2023-2024学年2023年高三上学期高三摸底考试10.31河北省沧州市泊头市第一中学2024届高三上学期模拟(三)(11月)数学试题河北省保定市2024届高三上学期10月摸底数学试题
3 . 求解:
(1)化简:
;
(2)画出函数
在区间
上的图象.
(1)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2feb789ac64acfcea4c72a5158ba05.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ef91850698d5921a9af4c4a535b3f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
![]() | ![]() | ![]() | 0 | ![]() | ![]() | |
![]() | 0 | ![]() | ![]() | ![]() | ||
![]() | ![]() | ![]() | 0 | 1 | 0 | ![]() |
您最近一年使用:0次
名校
4 . 已知向量
,
,设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e7b2150ed88d3ffdec3d142617eacf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/59cbbbed-0d85-43e2-8312-75db485228fa.png?resizew=324)
(1)求f(x)的表达式并化简;
(2)写出f(x)的最小正周期,画出函数f(x)在区间[0,π]内的草图;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da0797d068fd06975b2a460616c036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26249b7e879e2077367d93f4f26d52e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e7b2150ed88d3ffdec3d142617eacf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/59cbbbed-0d85-43e2-8312-75db485228fa.png?resizew=324)
(1)求f(x)的表达式并化简;
(2)写出f(x)的最小正周期,画出函数f(x)在区间[0,π]内的草图;
您最近一年使用:0次
5 . 向量
,设函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/4/c20f1ec4-e117-4a08-89a6-6cbc154031cf.png?resizew=307)
(Ⅰ)求
的表达式并化简;
(Ⅱ)写出
的最小正周期并在右边直角坐标中画出函数
在区间
内的草图;
(Ⅲ)若方程
在
上有两个根
,求m的取值范围及
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a95c38619871c5f33c33298773026f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc1525aee9019a25cf71dc6054ec1ce.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/4/c20f1ec4-e117-4a08-89a6-6cbc154031cf.png?resizew=307)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260bb3786192dfcca715e41a3e0b6f44.png)
(Ⅲ)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31bc0c34811edba74dae3fcaed8f577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260bb3786192dfcca715e41a3e0b6f44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc14778010a33f90902ff17b1ec0ac73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
您最近一年使用:0次
2019-07-04更新
|
943次组卷
|
2卷引用:湖北省天门市、仙桃市、潜江市2018-2019学年高一下学期期末考试数学试题
解题方法
6 . 一根长
(单位:
)的线,一端固定,另一端悬挂一个小球,小球摆动时,离开平衡位置的位移
(单位:
)与时间
(单位:
)的函数关系是:
,
,(其中
);
![](https://img.xkw.com/dksih/QBM/2017/5/23/1693201439629312/1694062501920768/STEM/eabd2bebda394890a7e0a98303e8f348.png?resizew=159)
(1)当
时,小球离开平衡位置的位移
是多少
?
(2)若
,小球每
能往复摆动多少次?要使小球摆动的周期是
,则线的长度应该调整为多少
?
(3)某同学在观察小球摆动时,用照相机随机记录了小球的位置,他共拍摄了300张照片,并且想估算出大约有多少张照片满足小球离开平衡位置的距离(位移的绝对值)比
时小球离开平衡位置的距离小.为了解决这个问题,他通过分析,将上述函数化简为
,
.请帮他画出
的图像并解决上述问题.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65502a7ea4d1ce6d6d8c720845c73e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e30f406c0a13a2f93003c6e40658fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc10654ab56f418078352f2b5be5fd95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e003bd597c40163aab143715726e3d57.png)
![](https://img.xkw.com/dksih/QBM/2017/5/23/1693201439629312/1694062501920768/STEM/eabd2bebda394890a7e0a98303e8f348.png?resizew=159)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aeb9a94e392f6759b18abed89aacc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b65f0ae2fab4da18a11dbf73ca04abb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a9cef3cfbceabc23b7410c4be4e638e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a9cef3cfbceabc23b7410c4be4e638e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
(3)某同学在观察小球摆动时,用照相机随机记录了小球的位置,他共拍摄了300张照片,并且想估算出大约有多少张照片满足小球离开平衡位置的距离(位移的绝对值)比
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aeb9a94e392f6759b18abed89aacc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5acdcd3e7a31dd2b3e35f2c0ec2096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f76975b7499e28533a8483c852393f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://img.xkw.com/dksih/QBM/2017/5/23/1693201439629312/1694062501920768/STEM/a5a015648a4d49a2a13b9eb797b14553.png?resizew=225)
您最近一年使用:0次
7 . 已知函数f(x)= sinx×cosx-
cos2x+
.
(Ⅰ)化简函数f(x),并用“五点法”画出函数
在长度为一个周期的闭区间上的简图(先在所给的表格中填上所需的数值,再画图);
![](https://img.xkw.com/dksih/QBM/2015/11/24/1572304492126208/1572304498155520/STEM/1e3eb696862d447388e2df9a45564fdf.png)
![](https://img.xkw.com/dksih/QBM/2015/11/24/1572304492126208/1572304498155520/STEM/f49e4a9a58474b0abcf638b4ff592893.png)
(Ⅱ)当
时,求函数
的最大值和最小值及相应的
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(Ⅰ)化简函数f(x),并用“五点法”画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/2015/11/24/1572304492126208/1572304498155520/STEM/1e3eb696862d447388e2df9a45564fdf.png)
![](https://img.xkw.com/dksih/QBM/2015/11/24/1572304492126208/1572304498155520/STEM/f49e4a9a58474b0abcf638b4ff592893.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9b19eca82b3d86f6e9b86507170707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次