1 . 已知函数
(
)在
上的图象有且仅有3个最高点.下面四个结论:
①
在
上的图象有且仅有3个最低点;
②
在
至多有7个零点;
③
在
单调递增;
④
的取值范围是
;
则正确的结论是______ .(填写序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8046aa421d61d05da2f197f61c79ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8ec0ccdb6db6fbaeb1172e281ec22f.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8ec0ccdb6db6fbaeb1172e281ec22f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0145c944dd3216b95c2fe55aa2fb17f.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b53b5494acfb30338683d64d35357a.png)
则正确的结论是
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2 . 已知函数
的定义域为
,将
的所有零点按照由小到大的顺序排列,记为:
,……,
……,对于正整数n有如下两个命题:甲:
;乙:
恒成立;则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4737bb32fbf29fa5dc389194bcff353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6acbd718031a4d6a5f4cb72052fd9f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c7c7eefaf2a3b1a60d02b789343d8f.png)
A.甲正确,乙正确 | B.甲正确,乙错误 |
C.甲错误,乙正确 | D.甲错误,乙错误 |
您最近一年使用:0次
3 . 已知函数
,则下列关于函数
的说法,正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08d970b0fba01982f3764aa145f02d57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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2024-02-20更新
|
918次组卷
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3卷引用:5.6.2函数y=Asin(wx+p)
名校
4 . 已知函数
图象的一条对称轴为直线
,函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3af853d2ce30483fafa59ff9583b5da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de633b2c143b9f76b29cde1c6ffce71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038f64de2d8a5b0677f48f3b97b27f75.png)
A.将![]() ![]() ![]() |
B.方程![]() ![]() |
C.函数![]() ![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
2024-04-07更新
|
1013次组卷
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3卷引用:湖南省衡阳市衡阳县第一中学2023-2024学年高一下学期4月期中考试数学试题
名校
5 . 已知函数
在区间
上有且仅有4条对称轴,则下面给出的结论中,正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c845de45921aa2aadbf03c1c1b228bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
A.![]() ![]() |
B.![]() |
C.![]() ![]() |
D.![]() ![]() |
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名校
解题方法
6 . 已知向量
.
(1)当
时,函数
取得最大值,求
的最小值及此时
的解析式;
(2)现将函数
的图象沿
轴向左平移
个单位,得到函数
的图象.已知
是函数
与
图象上连续相邻的三个交点,若
是锐角三角形,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c921ab3e208d45b41f17ef584751a3b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c6cb0cc172657611e286e7fa669584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)现将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33b8da413a3b009e3b3a60db3117d25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
2023-07-13更新
|
703次组卷
|
3卷引用:河南省驻马店市2022-2023学年高一下学期期末数学试题
7 . 已知
是定义在
上的函数,且满足
.
(1)设
,若
,求
的值域;
(2)设
,讨论
(
为常数,
)在
上所有零点的和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fd1e808e015f4cb43d2e3a0529ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d75edffb1e86bf1df97a16f1d0a6f7a.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110c3e340bf99008eb537b2933e82dfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88db70cffaef115664914c18deee87b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c410d77654ba5d20a0061e6e01473a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0ac787d88c2bb019e1437f08e1bbf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee3671a2c95a100f42dfb09bfc1f65af.png)
您最近一年使用:0次
2023-06-28更新
|
789次组卷
|
4卷引用:湖北省十堰市2022-2023学年高一下学期期末数学试题
湖北省十堰市2022-2023学年高一下学期期末数学试题(已下线)第五章 三角函数(32类知识归纳+38类题型突破)(6) -速记·巧练(人教A版2019必修第一册)(已下线)专题04 三角函数恒等变形综合大题归类 -期末考点大串讲(苏教版(2019))【人教A版(2019)】专题03三角函数(第三部分)-高一下学期名校期末好题汇编
名校
解题方法
8 . 设函数
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee57c3926fb6270949209069db695e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a634bee11fbfd85b812d559bcaa239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2270403ca1b733dc6a3344ce98143b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c765e0c21437d791423d7b328a0229b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a588de02d8a8e43ac3cca2a19e41b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a60e77043cfa243c212f9e340c5f46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafce249be1aeee0581417db4ce841db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a9bae2d8a81286bc6e9dceb6f9d233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-05-19更新
|
1301次组卷
|
3卷引用:辽宁省六校协作体2022-2023学年高一下学期期中考试数学试题
辽宁省六校协作体2022-2023学年高一下学期期中考试数学试题江西省九江市德安县第一中学2022-2023学年高一下学期5月期中考试数学试题(已下线)第10章 三角恒等变换 单元综合测试(难点)-《重难点题型·高分突破》(苏教版2019必修第二册)
名校
9 . 已知函数
是定在
上的函数,且满足关系
.
(1)若
,若
,求
的值域;
(2)若
,存在
,对任意
,有
恒成立,求
的最小值;
(3)若
,要使得
在
内恰有2022个零点,请求出所有满足条件的
与
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fd1e808e015f4cb43d2e3a0529ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/542f54434f3b4f89ca58deacbc59f83c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f830d86c8c625b2cc9e68bd6ef116c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f830d86c8c625b2cc9e68bd6ef116c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5223ece2f8f76850c49e2505304532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d6cde03a4f2e49579650b7704598a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5dffb544ddf83575a81c68bc450cf7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a77f949e1d6cbcefa0e77ba0225c122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0501be47c6bf72d546124cb582d5c455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
名校
解题方法
10 . 十字测天仪广泛应用于欧洲中世纪晚期的航海领域,主要用于测量太阳等星体的方位,便于船员确定位置.如图1所示,十字测天仪由杆AB和横档CD构成,并且E是CD的中点,横档与杆垂直并且可在杆上滑动.十字测天仪的使用方法如下:如图2,手持十字测天仪,使得眼睛可以从A点观察.滑动横档CD使得A,C在同一水平面上,并且眼睛恰好能观察到太阳,此时视线恰好经过点D,DE的影子恰好是AE.然后,通过测量AE的长度,可计算出视线和水平面的夹角
(称为太阳高度角),最后通过查阅地图来确定船员所在的位置.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/f340736c-a23f-4b3e-a3ef-710244b4e922.png?resizew=359)
(1)若在某次测量中,横档
的长度为20,测得太阳高度角
,求影子AE的长;
(2)若在另一次测量中,
,横档
的长度为20,求太阳高度角的正弦值;
(3)在杆AB上有两点
,
满足
.当横档CD的中点E位于
时,记太阳高度角为
,其中
,
都是锐角.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5157b42da58d55daad27d98b2fec15ff.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/f340736c-a23f-4b3e-a3ef-710244b4e922.png?resizew=359)
(1)若在某次测量中,横档
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b528818e98c5c2ddf301048b4228d2.png)
(2)若在另一次测量中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af0e847821c95966efc534f26fbe4f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(3)在杆AB上有两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2059d1b10017e04aa35812c0354049b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e819b87f90651d89fcd258c276294e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafc046509e3ca71090d8a1de862efa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943b765718479c160ba61ec5c6f8c5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e29bf5652f0d4f764c3606efcdb445f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadb2357b7a648d3a69c7a84dbdffcc0.png)
您最近一年使用:0次
2023-04-26更新
|
1475次组卷
|
6卷引用:四川省成都市第七中学2022-2023学年高一下学期期中考试数学试题