名校
解题方法
1 . 已知函数
为奇函数.
(1)求实数
的值,判断函数
的单调性并用函数单调性的定义证明;
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eebcd0af27696861a5d9b825319bf9fe.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0ebe47d0904f4d7a6f2e1bf73afab4.png)
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2021-01-24更新
|
661次组卷
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4卷引用:江苏省苏州市江苏外国语学校2023-2024学年高一上学期12月月考数学试题
2 . 已知函数
是定义在
上的偶函数,且当
时,
.
(1)求
的解析式:
(2)用定义证明
在
上的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8bd00a1b1c012681aab8513b755cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4426903eb63c0cf1b8e19d97f25398f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)用定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b5e402f725a71c3305bf3e72f72ded.png)
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名校
3 . (1)化简:
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5579454cc4f2a4895970aebea382c976.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb932955bcc5c1c9d8ac5d2dbb38f69d.png)
您最近一年使用:0次
2021-01-29更新
|
847次组卷
|
3卷引用:江苏省苏州市昆山中学2020-2021学年高一下学期3月月考数学试题
江苏省苏州市昆山中学2020-2021学年高一下学期3月月考数学试题安徽省合肥市巢湖市2020-2021学年高一上学期期末数学试题(已下线)专题5-5 三角函数综合大题归类(1) - 【巅峰课堂】题型归纳与培优练
名校
4 . 我们知道,函数
的图象关于坐标原点成中心对称图形的充要条件是函数
为奇函数.有同学发现可以将其推广为:函数
的图象关于点
成中心对称图形的充要条件是函数
为奇函数.
(1)类比上述推广结论,写出“函数
的图象关于y轴成轴对称图形的充要条件是函数
为偶函数”的一个推广结论,不需要证明;
(2)若定义在R上的函数
的图象关于直线
对称,且当
时,
.
①比较
,
,
的大小;
②求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827539d066d1b78e7ef8bc1569864971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830a9e13de1222eb9c3d5e4b636f50fa.png)
(1)类比上述推广结论,写出“函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若定义在R上的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e971086e3f8d17fd4f015c080b9ade3.png)
①比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257a32a7c088a7d9a83e59a7dad52226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83fc31a53132a61cee56fd7c64251703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db2838cec6d8fcb8d2de1c647ac2f12.png)
②求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af9178292b51eceb4378158786efac9.png)
您最近一年使用:0次
2020-12-30更新
|
222次组卷
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2卷引用:江苏省苏州市常熟市2020-2021学年高一上学期期中数学试题
名校
5 . 已知关于x的方程
,其中
,且
.
(1)求证:关于x的方程
有两个不等的实根;
(2)若
,且
,
是方程
的两个实根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5502cd8f7be445fd210028fa829d02a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418d3ce50a090e3444411e2a93153fe0.png)
(1)求证:关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4749701479ff908802f2794f1752a58.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e0852599fd15f0648eb8137b098c8da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4749701479ff908802f2794f1752a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
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名校
解题方法
6 . 在
中,角
,
,
所对的边分别为
,
,
,已知
.
(1)求证:
为定值;
(2)若
,求
的值.
![](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/ad7ff1a6e9de32a429b55e95a7c5ccc3.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448d30c84529f004ea1efe7ba7c813c6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5023d64c35be852d4605ebab4c34706e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721e29b775e696045f44a4b1e7f74ef2.png)
您最近一年使用:0次
2020-10-12更新
|
196次组卷
|
2卷引用:江苏省苏州中学2020-2021学年高二上学期期初数学试题
解题方法
7 . 已知函数
(
)为奇函数.
(1)求实数a;
(2)设函数
.
①求
;
②试证明函数
的图象关于点
对称.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf0266259b29a44b7a20405d424579c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)求实数a;
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f187b6a0167bab40218c033344e7ae.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a122f7750d2694a73e80126c2f9554cc.png)
②试证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
您最近一年使用:0次
名校
解题方法
8 . (Ⅰ)已知不等式
的解集为
,求
的最小值.
(Ⅱ)若正数
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3478bdbf8a2ab0769a05e827041d9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3eac2f7b237b33c35cd1af32da9b3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e10c6486aad9852bb65b08432618c9c4.png)
(Ⅱ)若正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/483e8298320b2fe64e3b2dbe845ad115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfdb47e8cea8f2d4ed8ba3f5b924f01.png)
您最近一年使用:0次
2020-09-01更新
|
791次组卷
|
3卷引用:北京外国语大学附属苏州湾外国语学校2020-2021学年第一学期高二期中模拟考试1数学试题
解题方法
9 . (1)已知
是第三象限角,化简:
;
(2)已知
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2e0eddc8625e2f8b5f92034534539b.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c22a132a6da403affa89f3b0abe1053f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790143a4b90d22ad0248951fd8f65e34.png)
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解题方法
10 . 设函数
(
,且
)
(1)判断
的奇偶性,并用定义证明;
(2)若不等式
在
上恒成立,试求实数
的取值范围;
(3)若
,
的值域为
,函数
在
上的最大值为
,最小值为
,若
成立,求正数
的取值范围,(说明:如果要用到函数的单调性,可直接交代单调性,不必证明.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325cd3e57465c5cc93f068c94c2b8f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b5ba3697ee0afbed2cb398be195ea9.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a31ee47b59e5c145c4c389a5f7d513c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e80bd19c51fc12e19b7ba5fd63efdc5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a8d578ace45420869dda45ad3b66c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d51d4d1439d8394cbebe7e5caa301a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次