名校
解题方法
1 . 在锐角三角形
中,角
、
、
所对的边分别为
,
,
,已知
,
.
(1)求角
的大小;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.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/28306047b10f7700fa9301638c161561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5be26998304c5e53ee47ff40f030663.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799f4f00586f2fd8dd7f183badefaefb.png)
您最近一年使用:0次
2020-08-08更新
|
582次组卷
|
3卷引用:山西省运城市2019-2020学年高一下学期调研测试数学试题
山西省运城市2019-2020学年高一下学期调研测试数学试题(已下线)【南昌新东方】江西省南昌市南昌县莲塘二中2020-2021学年高二上学期第一次月考数学(理)试题江苏省南京市江宁区东山外国语学校2020-2021学年高二(10月份)月考数学试题
解题方法
2 . 已知
,
,函数
.
![](https://img.xkw.com/dksih/QBM/2020/7/7/2500980493778944/2501475608133632/STEM/a28e817da138469bbb72a6c1cfb2cc7f.png?resizew=134)
(1)求
的最小正周期和最大值;
(2)面出
在区间
上的图像(
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec4d370835103440affb587eb03d43ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bb9f3568c7c208709956bbba1794d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fe7817723237558c38fcff599b5d79.png)
![](https://img.xkw.com/dksih/QBM/2020/7/7/2500980493778944/2501475608133632/STEM/a28e817da138469bbb72a6c1cfb2cc7f.png?resizew=134)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)面出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d4e402f43b62a3045d9f0da2e03441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6b32f08d07a7e674e3b4667215e37.png)
您最近一年使用:0次
3 . 求值
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f79f90b283a2a3fc66b8f4fbc4cd0ef.png)
您最近一年使用:0次
4 .
的内角
的对边分别为
,若
,且
为锐角.
(1)求
的值;
(2)当
取得最小值时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7cbe7204882c10bc2562b8a271bd99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5201fc26d013f6fb889933c0e32f5c53.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6315497cd7cc69ebd7afd0638aca9b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
您最近一年使用:0次
名校
5 . 在锐角△
中,
.
(1)求角
的值;
(2)若
,求△
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d95feefc4ca2e71dcaa23910cac6f90a.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca43d86bad32b95db049564a6f1df31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2016-12-04更新
|
817次组卷
|
8卷引用:2017届山西怀仁县一中高三上学期开学考数学(文)试卷