1 . 已知点
是角
终边上的一点,且
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd58f54e9659a9cb5964a2d48f539e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/140d770d2bcf921a2bc29267fa69aafc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d2ae159ec22eaef11a347e069591434.png)
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2 . 已知
,求以下各式的值.
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb90f0294dfff41f05b0fc64d7a06e4f.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80cb603f7185908e8f246324874d9aea.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/012ace584fa6fe72884eef5003a0de46.png)
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2022-06-21更新
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4卷引用:广西桂林市第十九中学2021-2022学年高一下学期期中考试数学试题
广西桂林市第十九中学2021-2022学年高一下学期期中考试数学试题河南省周口市项城市第三高级中学2022-2023学年高三上学期期中考试数学试题(已下线)突破5.2 三角函数概念(课时训练)-【新教材优创】突破满分数学之2022-2023学年高一数学重难点突破+课时训练 (人教A版2019必修第一册)(已下线)5.2.2 同角三角函数的基本关系(导学案)-【上好课】
3 . 已知函数
的图象的相邻两个对称中心的距离为
.
(1)求
在
上的单调减区间;
(2)函数
在区间
上的值域为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82df54c043d1496c6cc54f480915f41a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5170e87322172ef27379adb171d4b76e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662ea443c9570b1c741da3e83008c211.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbae0d22d931ac42b565c7990764a2c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1279ef84071f5ad7c4c1681357edd84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-06-21更新
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2卷引用:广西桂林市第十九中学2021-2022学年高一下学期期中考试数学试题
4 . 已知
.
(1)求
和
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37056aafec13eadddb19e4caf2384d0b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29dd1b7b3b6fdeabf9dce7b202b69243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/197b13413d706fee9ee08dda140a8886.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a282d19bf2c827a98d4443330f7ca1.png)
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名校
解题方法
5 . 如图,扇形
的半径为
,扇形
的圆心角为
,
是扇形的内接矩形,设
.
![](https://img.xkw.com/dksih/QBM/2022/6/20/3005353409585152/3006085794725888/STEM/39a9a7d970ed4f2d92f30a8c3b6fe14e.png?resizew=184)
(1)求扇形
的弧长及面积;
(2)用
表示矩形
的面积
,并求当
为何值时,矩形面积最大及其最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134c3d2c318a33a82da4134dd17fa57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867d00157025729b6a66380810466edc.png)
![](https://img.xkw.com/dksih/QBM/2022/6/20/3005353409585152/3006085794725888/STEM/39a9a7d970ed4f2d92f30a8c3b6fe14e.png?resizew=184)
(1)求扇形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
(2)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134c3d2c318a33a82da4134dd17fa57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
2022-06-21更新
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3卷引用:广西桂林市第十九中学2021-2022学年高一下学期期中考试数学试题
解题方法
6 . 已知点
是角
终边上一点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d90ae0105bbffd1d9dfef8ab8ef1da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1c59a18b4180746a946c8014a8f12e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
您最近一年使用:0次
2022-06-21更新
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3卷引用:广西桂林市第十九中学2021-2022学年高一下学期期中考试数学试题
7 . 已知函数
为偶函数,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259359e4474023e90e25784ac1c68e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ac3e4d7871971fb7c913393a1f857f.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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解题方法
8 . 已知函数
的图象与
轴的交点为
,它在
轴右侧的第一个最高点和第一个最低点的坐标分别为
和
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/72ea5a6f-211f-4684-92ba-93e7b97a3da6.png?resizew=230)
(1)求
的解析式;
(2)求
在区间
上的最大值和最小值,并分别写出相应的
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c492ab66911ea193ada75bf8b11cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fab6b1b5fead2fa592e93e455d659a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6934a1d2bca24209521a9dcd0ef542.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/72ea5a6f-211f-4684-92ba-93e7b97a3da6.png?resizew=230)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b732dce4c4d776acdd43c24d43e2103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
解题方法
9 . (1)已知
,求
的值.
(2)化简
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a60723db9ee88969523f7a51ef7f622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01532cf6300b159802adf1856dc5992.png)
(2)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b560fb9a39c2cb8aab00b96cb565a0.png)
您最近一年使用:0次
2022-06-21更新
|
755次组卷
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4卷引用:广西桂林市第十九中学2021-2022学年高一下学期期中考试数学试题
广西桂林市第十九中学2021-2022学年高一下学期期中考试数学试题(已下线)第15讲三角函数的概念及诱导公式-【暑假自学课】2022年新高一数学暑假精品课(人教版2019必修第一册)黑龙江省齐齐哈尔市恒昌中学校2022-2023学年高一下学期4月月考数学试题(已下线)5.3 诱导公式(第2课时)(分层作业)-【上好课】
名校
解题方法
10 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e069af480ef8eab683fe1cf02453e9d1.png)
(1)若
,
,求角
;
(2)若不等式
对任意
时恒成立,求实数
应满足的条件:
(3)将函数
的图像向左平移
个单位,然后保持图像上点的纵坐标不变,横坐标变为原来的
,得到函数
的图像,若存在非零常数
,对任意
,有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e069af480ef8eab683fe1cf02453e9d1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a3869b0b2649fbd8d027c151e77506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d4e4a30f64d8ffccb3fb538ed91b4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b9c80faf9ab972ab1327a30a922cf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa4c3b76c3feb011d05b6b7b77b88f3.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/0cdaf49f9611922348aa2784465da614.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/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a9bae2d8a81286bc6e9dceb6f9d233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2022-06-13更新
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2084次组卷
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4卷引用:广西桂林市逸仙中学2023-2024学年高一下学期4月月考数学试题