名校
1 . 在
中,角
所对的边分别
,
,函数
的图象关于点
对称.
(1)当
时,求
的值域;
(2)若
且
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/74763e6e7c57bfd7334327da1f9d4a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e738bce4fa92616b5be79e7c605d8547.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d49ec515fb1fdc93ca4dda443326ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f34365e5040ce6944115c8da61bf110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e11f594b16174b616c42abd2f78a2787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
您最近一年使用:0次
2019-03-21更新
|
208次组卷
|
5卷引用:【区级联考】天津市河东区2019届高三一模数学(理)试题
解题方法
2 . 在
中,角A、B、C所对的边分别为
,已知
,
,
,角A为锐角.
(1)求
与
的值;
(2)求
的值及三角形面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff214d99784c6b23b7784bdaf3ed37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13a05f5aca98574bb1f927123490de4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/398235c17fd396300939f3f81295757c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4277f321e77fa973b3b878a9ba000c1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7c9661f160af0ab72f4fcdbdc6fd29e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c181f86de3c96a7ef7a1a04c3a438f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fdeba282b028321696be7f90f2cbfe.png)
您最近一年使用:0次
3 . 在△ABC中,角A,B,C所对的边分别为a,b,c,已知c=
,角A为锐角.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b01adc561735ff5be9bb97266918f2.png)
(2)求b的值及三角形面积.
您最近一年使用:0次
4 . 在
中,内角
所对的边分别为
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2269ee455e67e5a174d557e6ed161e.png)
.
(1)求角
的大小:
(2)若点
为
的中点,且
,求的值
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/9b2269ee455e67e5a174d557e6ed161e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe8806608c4535cb38b0163f52a12e68.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若点
![](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/5c52b857c7ca55dfa6da108df1d3cee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36edd882c513de863b0e961f44d9f49e.png)
您最近一年使用:0次
2018-05-09更新
|
1294次组卷
|
7卷引用:【区级联考】天津市河东区2019届高三二模考试数学(文史类)试题
名校
解题方法
5 . 在
中,角
的对边分别为
,
,
,
的面积为
.
(1)求
及
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/52d62e60396295cd74d03e38978405bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff56c753e26ceda3ad3a79eb778d6dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b01adc561735ff5be9bb97266918f2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a8401804a9880fa3a37565afd16c5d.png)
您最近一年使用:0次
2018-04-01更新
|
1200次组卷
|
6卷引用:天津市河东区2022届高三下学期二模数学试题
6 . 已知函数
.
(1)求函数
的最小正周期和单调递减区间;
(2)在
中,
分别是角
的对边,若
,
,
的面积为
,求边
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d0ed8d1be755280c5927430caad6075.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c8475965bc50d494fe114ecf73af29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f70e94b27cd31f331b49614c0a45b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-02-07更新
|
1561次组卷
|
7卷引用:【区级联考】天津市河东区2019届高三二模数学(理)试题
解题方法
7 . 在
中,内角
对应的边分别为
,已知
.
(1)求
的值;
(2)若
,求
的面积.
![](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/952ba469bf8d6c279cfaed8929ee11f9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3050cc374705ba093a6ae67b8df94126.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b95eddf9497eb9774d3f868c951df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
8 . 在
中,
,则
的值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29bd4aa573522eb5ae6be882324590e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
420次组卷
|
3卷引用:2016届天津市河东区高考一模考试理科数学试卷