1 . 设
.
(1)求
的单调递增区间及对称中心;
(2)当
时,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8ea1dd3ea29c8965cde2b4ebfea596.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4138f6987cd2ee9e56b2ac80e84f9e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b04f2631aebcc85921c00c47d68d1f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64cd502af8424288431c6d6f27b89f73.png)
您最近一年使用:0次
2023-02-05更新
|
938次组卷
|
4卷引用:河北省邢台市南和区等4地2022-2023学年高三上学期11月期中考试数学试题
解题方法
2 . 已知
的内角
所对的边分别为
,记
的面积为
,且满足
.
(1)求角
;
(2)若
,且
,求
.
![](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/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6134306ada7635c824eb9211b937e9c3.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc5beb50fc0311177a8499ae39c55f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
您最近一年使用:0次
2023-02-05更新
|
324次组卷
|
3卷引用:河北省邢台市南和区等4地2022-2023学年高三上学期11月期中考试数学试题
河北省邢台市南和区等4地2022-2023学年高三上学期11月期中考试数学试题河北省名校联盟2023届高三上学期第二次月考数学试题(已下线)河南省济源市、平顶山市、许昌市2022届高三文科数学试题变式题16-20
解题方法
3 . 已知函数
的最小正周期为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/a4e3814e-4032-4331-b590-41bf3b94abb5.png?resizew=220)
(1)求
的值,并在上面提供的直角坐标系中画出函数
在区间
上的图象;
(2)函数
的图象可由函数
的图象经过怎样的变换得到?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71c017158d978b72d7080a25f5ca3f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/a4e3814e-4032-4331-b590-41bf3b94abb5.png?resizew=220)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c65d71e57e6e7697e2f627dcd58583.png)
您最近一年使用:0次
名校
解题方法
4 . 在①
,②
,③
这三个条件中任选一个,补充在下面问题中,并解答该问题.问题:锐角
的内角
的对边分别为
,且______.
(1)求
;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4e41e7cd5514d3ac0e7adc537882317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef8ad9f9cf060771d47d36cde93afae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f094b13e968fa44fbc4e09344bf7f5e.png)
![](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)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77acc1a31c335e3b39bb67a607798db.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2bcb0cf5182f70cf5f2737b709b4a9c.png)
您最近一年使用:0次
2022-11-26更新
|
1131次组卷
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6卷引用:河北省秦皇岛市青龙满族自治县部分学校2024届高三上学期期中联考数学试题
5 . 已知函数
,则有关函数
的说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26962e1696ab0598251516b94b8293d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2022-11-22更新
|
360次组卷
|
2卷引用:河北省魏县第五中学2023届高三上学期期中数学试题
名校
解题方法
6 . 已知函数
,若
在区间
上单调递减,则实数
的取值范围( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61941f3290859906f7050014606bf1ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2be84e6a0acddbdb3c3b4415b547fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-28更新
|
1148次组卷
|
2卷引用:河北省石家庄市第二中学2022-2023学年高三上学期期中考试数学试题
名校
解题方法
7 . 在
中,角A,
,
的对边分别为
,
,
,角A,
均为锐角,已知
.
(1)若
,求
;
(2)若
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/382dada31eb298ec319350891241fc1e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c106915873fcb8d6b21c7fa80d393ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9adb9fd694606f1fb640f28acd3ecb4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2022-10-11更新
|
793次组卷
|
8卷引用:河北省石家庄市十五中2023届高三上学期期中数学试题
名校
解题方法
8 . 已知
是函数
的两个相邻的对称中心的点的横坐标.
(1)求
图象的对称轴方程;
(2)若对任意
,都有
,求
的取值范围;
(3)若关于
的方程
在区间
上有两个不同的根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e863eddf7be90d84645a3cc777c6c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e1152cb5c6372de762f3a78d62446c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6be98fe30ab0859461a1b9fdab606f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c49d02b0a34872722eb3d05a3a2149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d092d5b83f94304107ed1f7709ee6bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba7039324a6d810f4d5603d4edeb70e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-09-29更新
|
383次组卷
|
3卷引用:河北省深州市中学2023-2024学年高三上学期期中考试数学试题
名校
9 . 在△ABC中,已知
,最大边与最小边的比为
,则该三角形中最大角的正切值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2581fb6e4fee5c92a3e1ea35de9f0276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc4bb423ae1aab250af387254a12b9e.png)
您最近一年使用:0次
2022-07-13更新
|
944次组卷
|
5卷引用:河北省唐山市玉田县2022-2023学年高一下学期期中数学试题
名校
10 . 某公园要建造如图所示的绿地
,
、
为互相垂直的墙体,已有材料可建成的围栏
与
的总长度为
米,且
.设
(
).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/936e7827-b1f8-4979-b391-a7dfdce02b0a.png?resizew=156)
(1)当
,
时,求
的长;(结果精确到
米)
(2)当
时,求
面积
的最大值及此时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da45c443af7994a26ffa9d8894e7262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e63af3d182fd7bfe75f26a520641c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d7c066118e34f069f2927f3c2ceb4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65b6c42393fae47c51101713167ff71.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/936e7827-b1f8-4979-b391-a7dfdce02b0a.png?resizew=156)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e2c8d466ab8eb5ecd38060b53bbe8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87796ee30e6c5d5e6b6285b32abe10c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
2022-06-23更新
|
1005次组卷
|
7卷引用:河北省高碑店市崇德实验中学2022-2023学年高一下学期期中数学试题
河北省高碑店市崇德实验中学2022-2023学年高一下学期期中数学试题上海市市西中学2023届高三上学期期中数学试题上海市黄浦区2022届高考二模数学试题(已下线)第06讲 任意角三角函数、诱导公式及恒等式-3(已下线)2023年上海高考数学模拟卷01上海市市北中学2023届高三上学期10月月考数学试题(已下线)拓展三:三角形面积(定值,最值,范围)问题(精讲)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)