名校
解题方法
1 . 已知
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b543391c6ac773e06ee0c2776276bc3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.2 | C.1 | D.![]() |
您最近一年使用:0次
名校
2 . 已知
,给出下列结论:
①若
,且
,则
;
②存在
,使得
的图像向左平移
个单位长度后得到的图像关于
轴对称;
③若
,则
在
上单调递增;
④若
在
上恰有5个零点,则
的取值范围为
.
其中,所有正确结论的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bbe7f99becd3166c19e6f09fbf0c3d3.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4b8f430bc9c87dd4633b8aff127532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5216b12ca871239a1a494d1ed354f947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcee772e6187ac31d7f8d69b0487000.png)
②存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439963be2791e40927a406aa74c233d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcee772e6187ac31d7f8d69b0487000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7afbd154d5f993012b880e4e0c7f9821.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f897eed68eaf69608ffa4cf9de94a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91481d9d23da10d13cb62b6f635738bd.png)
其中,所有正确结论的个数是( )
A.1 | B.2 | C.3 | D.4 |
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2022-12-09更新
|
835次组卷
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2卷引用:天津市滨海新区塘沽第一中学2022-2023学年高三上学期第三次月考数学试题
解题方法
3 . 已知函数
,给出以下四个命题:
①
的最小正周期为
;
②
在
上的值域为
;
③
的图象关于点
中心对称;
④
的图象关于直线
对称.
其中正确命题的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f654654270ffbaa03b7a33309f67c4b1.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497199a00f177af4c593e0e715be97f1.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656d567ad105c13e222bc2d4c92f9be3.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172e0519792a2894bccf9b96c63b7100.png)
其中正确命题的个数是( )
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
解题方法
4 . 在
中,角
,
,
的对边分别为
,
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/40e67a6b-d7fa-4dbf-a3bc-3b2d6257a5b5.png?resizew=142)
(1)求
;
(2)如图,若
为
外一点,且
,
,
,
,求
.并求
.
![](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/f7097d13f87070d20b9cc31aba630f66.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/40e67a6b-d7fa-4dbf-a3bc-3b2d6257a5b5.png?resizew=142)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)如图,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6ee08a777d465c63eb7f3681cbd7edb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d783fe7f3ce673d5d21281174e7a7968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/395c8d0c2d490ffd4d6aadfb3517f9ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
2022-11-23更新
|
881次组卷
|
4卷引用:天津市南开中学2022-2023学年高三上学期第二次月考数学试题
天津市南开中学2022-2023学年高三上学期第二次月考数学试题天津市南开中学2023届高三上学期期中数学试题(已下线)第08讲 正弦定理和余弦定理5种常见题型(2)河南省新乡市第一中学2023届高三三轮冲刺能力测试第六测理科数学试题
名校
解题方法
5 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4600a871c4fe6a1a936c22afc031d99f.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50cae1163e66e6fbdd9cc0f7f6ea9ab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4600a871c4fe6a1a936c22afc031d99f.png)
您最近一年使用:0次
解题方法
6 . 已知在
中,
,
,b=2.
(1)求角C;
(2)求
的面积;
(3)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85b8eb4f3e02fa8ab3b49def8958444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f5d4e20a8cd1878dd03e1fcc6f5c63.png)
(1)求角C;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e64c143dc5ec927ce39e129760f7bf2.png)
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解题方法
7 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7330322c1d043fbee8b2068d07287f48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b60f826078c16513c990a08d7085f34a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-11-11更新
|
875次组卷
|
3卷引用:天津市五校联考2022-2023学年高三上学期期中数学试题
名校
解题方法
8 . 已知
.
(1)求
的值
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd18bb5c86d16a35d18a520370987f8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23197b04956e7c92db51810f13c3d075.png)
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2022-10-27更新
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5卷引用:天津市南开区2021-2022学年高一上学期期末数学试题
名校
解题方法
9 . 若角
的终边经过点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe211e0dea7a44863e5e1706633c3aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c599d0026059fc068edd4ceb3d5ea0a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4613f5b3d06918261f9fed718c7ba126.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-10-19更新
|
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8卷引用:天津大学附属中学2022-2023学年高一上学期期末数学试题
名校
10 . 将函数
图象上所有点的横坐标变为原来的
,再向左平移
个单位长度,得到函数
的图象,若对任意的
,均有
成立,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe0005c4bd1e68415d9316b187766d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4145ac17697bc0f91225af690eeeff0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4adf8fa9f6cc4da5f2657a9983f0ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-14更新
|
756次组卷
|
3卷引用:天津市北辰区2022-2023学年高三上学期期中数学试题