名校
解题方法
1 . 已知函数
.
(1)求函数
的最小正周期;
(2)若将函数
图象上每点的横坐标变为原来的2倍,纵坐标不变,得到函数
的图象,求
在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f710f7746c06d0c00bb7c9edf592496.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(2)若将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5946299ed8f8c741a82c8d920e1e206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002b5bc6962182ac1729f33762d7348d.png)
您最近一年使用:0次
2020-10-18更新
|
349次组卷
|
3卷引用:重庆市育才中学2019-2020学年高一下学期期末数学试题
名校
解题方法
2 . 已知点
在角
的终边上,且
.
(1)求值:
;
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f40d5459e1385ab7d829ea96ca0b946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24002c9994faa405d628dd6d445ad812.png)
(1)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6760cf5ab5febce7c8a7343361faeff.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e4b593b3ab844e947cfd982540492f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8acf38a38eb14b0c63e2ac573f77b32a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95d9c98e0f21ae81aa9a5c1582a9ec3.png)
您最近一年使用:0次
2020-10-15更新
|
666次组卷
|
2卷引用:重庆市第一中学2021届高三上学期第一次月考数学试题
名校
解题方法
3 . 已知向量
.
(1)求
的值;
(2)若
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0469c705493ca75ee61760398beb1913.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d521f8d021b20757d7a68107fcef1d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b92852b9674d4c85f65a6585bb1cf2ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8730262dbda445dffe5e8d72bc1079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
您最近一年使用:0次
2020-10-07更新
|
443次组卷
|
3卷引用:重庆市凤鸣山中学校2021届高三上学期10月月考数学试题
名校
解题方法
4 . 已知
的内角
,
,
所对的边分别为
,
,
,且
.
(1)求角
的大小;
(2)若
,
,
依次成等比数列,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a85eb29a3a20d9970e600f27d3e7d6.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367de5eb4da2eb016a6bfc78e25f4ceb.png)
您最近一年使用:0次
2020-08-06更新
|
945次组卷
|
8卷引用:重庆市缙云教育联盟2021-2022学年高二上学期9月月度质量检测数学试题
名校
解题方法
5 . 如图,
是等边三角形,
是
边上的动点(不含端点),记
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/b0cc8eb1-caf0-4d8c-9160-cb068b32198e.png?resizew=163)
(1)求
的最大值;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/224efa375375f1ac848b0c15ee51aebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e565517c94f701428540c9404db3059a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/b0cc8eb1-caf0-4d8c-9160-cb068b32198e.png?resizew=163)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dbb8946dd3f6ef3e816da7fdca83993.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e38ed1a153c028b70f6b0ae93a84ac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
您最近一年使用:0次
2020-07-01更新
|
354次组卷
|
11卷引用:重庆市第一中学2019-2020学年高三下学期期中数学(文)试题
重庆市第一中学2019-2020学年高三下学期期中数学(文)试题重庆市经开礼嘉中学2020届高三下学期期中数学(文)试题【全国百强校】四川省棠湖中学2019届高三上学期开学考试数学(文)试题【全国百强校】四川省成都市双流县棠湖中学2019届高三上学期开学考试数学(理)试题【全国百强校】河北省衡水中学2019届高三上学期四调考试数学(文)试题【全国百强校】江西省新余四中、上高二中2019届高三第二次联考数学(理)试题湖南省长沙市第一中学、株洲二中等湘东七校2019-2020学高三上学期12月月考数学(理)试题2020届江西省南城县第一中学高三上学期期末数学(理)试题2020届江西省南城县第一中学高三上学期期末考试数学(文)试题(已下线)专题06 三角函数及解三角形——2020年高考真题和模拟题文科数学分项汇编山西省晋中市祁县中学2021届高三上学期12月月考数学(理)试题
名校
6 . 已知向量
,将
绕原点
逆时针旋转
到
的位置,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0873cbd904507a68f1485858295776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec64476aaca08de0808afda3618109c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ea9e9a1aee343cdcf8a22944ea0043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914bb1fc0449f88218d20752f948414c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-06-29更新
|
593次组卷
|
6卷引用:重庆市实验中学校2021届高三上学期第一次月考数学试题
重庆市实验中学校2021届高三上学期第一次月考数学试题山东省威海市2020届高三三模数学试题山东省威海市2020届高三第二次模拟数学试题(已下线)专题六 平面向量-山东省2020二模汇编(已下线)模块检测卷一(A卷 基础过关检查)-2021年高考数学一轮复习单元滚动双测卷(新高考地区专用)(已下线)2021届高三数学新高考“8+4+4”小题狂练(37)
名校
解题方法
7 . 已知
、
为锐角,且
,
,求:
(1)
和
的值;
(2)
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f94e3594d9359a62695dc2d7d74b98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4143ebd4910aa059e700e186d26707.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
您最近一年使用:0次
名校
解题方法
8 . 如图所示,A,B是单位圆O上的点,且B点在第二象限,C点是圆与x轴正半轴的交点,A点的坐标为
,
为正三角形,记
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/27/7ff48acb-99db-4dfb-9661-78297512298a.png?resizew=146)
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bfd8da8cf8cfacb41ba262bfe0d77cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2041063e1d4bd69b682f02f8cc5c24.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/27/7ff48acb-99db-4dfb-9661-78297512298a.png?resizew=146)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6503b6c4c31056d6199fda05f8d004ca.png)
您最近一年使用:0次
9 . 已知
,
,
.
(1)求
值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471cb48030b71f02172f5f512356789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11dba4df4d2363ca61e2743b8c07e393.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ba4d36c998e1cca82a8e0d5c33e2b0c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9381b769d58b82926d9daec0fee14345.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
您最近一年使用:0次
名校
解题方法
10 . 在平面直角坐标系
中,已知角
的终边与以原点为圆心的单位圆交于点
.
(1)请写出
,
,
的值;
(2)若角
满足
.
(ⅰ)计算
的值;
(ⅱ)计算
的值.
![](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/71b95d47e0134efc07bd1626ee632517.png)
(1)请写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)若角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aaebdefc548fa30d3cfde87a1637314.png)
(ⅰ)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f35152720e43c6403d43bef47c0377d.png)
(ⅱ)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bac0feaf9690a6fb55d1e8cd99673f4.png)
您最近一年使用:0次
2020-02-09更新
|
723次组卷
|
4卷引用:重庆复旦中学2020-2021学年高一下学期开学学情诊断检测数学试题