1 . 已知
中,
,
,
,则
面积
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb5bac75f36bb1dc5c8190d4dbe681d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ab6134ef9b7feb98a3906d56793cd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acacf9d50810f5de40c47ea681f28b6d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/573e1c0d7cedbd7581b8401d64fdba44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acacf9d50810f5de40c47ea681f28b6d.png)
您最近一年使用:0次
2023-02-01更新
|
378次组卷
|
2卷引用:河南省北大公学禹州国际学校2021-2022学年高一上学期12月月考数学试题
3 . 在
中,
、
、
分别为
、
、
的对边,
,
,
.
(1)求角
的大小;
(2)求
边上的高的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/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/9f34365e5040ce6944115c8da61bf110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019eb94a6a2b38308811470d860e1a20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d710f4665a2b3c12d6bdf88a83833a1.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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2021·上海浦东新·模拟预测
名校
4 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e976891142f43f8b63cbadf4a040fe.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a68c499a32cf9b19efd6ddaf52b5e3e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e976891142f43f8b63cbadf4a040fe.png)
您最近一年使用:0次
名校
5 . 在
中,
.
(1)求
的值;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fefd174b923bedc5a094cd2120e93bf8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa468d13cbc7c4602094dabd468638c1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66bc7964f72e39afd6d4c65eef545065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21bdea15993d7447c9bee28f7318bc9.png)
您最近一年使用:0次
解题方法
6 . 已知
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ff327dd478be996e53bca3fda87309.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c0b0df6f5714aff81b5c0e1189d095.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a122a09c97362a20eb3315835e6ae39.png)
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解题方法
7 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8df10ef7552d5445c0df1136e333b54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e3da6658f0630339be870036ea0b7e.png)
A.-4 | B.3 | C.-3 | D.0 |
您最近一年使用:0次
解题方法
8 . 函数
的最小正周期是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7377fce0ac4d55f68bc3f7d376278921.png)
您最近一年使用:0次
2023-01-11更新
|
313次组卷
|
2卷引用:陕西省汉中市2021-2022学年高三上学期第四次校际联考文科数学试题
解题方法
9 . 已知
求:
(1)
;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8790295eee6f4a6cd1c3a8318c7d4.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86c029b19c9122eec40462dd2462869.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c338f413805057810af91f44ecd2fe1.png)
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解题方法
10 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eafcfcc851735850c9f228e52e4261c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6698bc0b414a2a0e16c9963e12fd04a2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次