名校
解题方法
1 . 已知
,且满足
.
(1)求
的值;
(2)若角
的终边与角
的终边关于y轴对称,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fcc0606aa9ce75269c63af6be62f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c0853d16a34fc8b9776ff1a1f29dea.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7aee715ac87a76f7a00996af77481ed.png)
(2)若角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be4e1a0e7c86ad340d097044203cc8df.png)
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解题方法
2 . 已知
,
,且存在实数
和
,使得
,
,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9798750055cc3be811b36accdec975d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e135eb6709b5d964f89ce0e391062a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4749a22a7ae411cf646c64fdbf08e1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f4b8e9bf365f34a58866b4fdf2096e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/654c8d7389fbd7fffd7e00071f814016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a17fbeeb7bc8ff39e2b0403042f026.png)
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3 . 已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f91e7fd3d358600eca9137fae54149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569087ece1739f75121b549c7de10058.png)
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4 . 对平面直角坐标系
,保持
轴不变,将
轴绕原点顺时针旋转
后形成的新坐标系
称为
斜坐标系.原平面内任意一点
,经过上述变化后在
斜坐标系的对应点为
.对于如图所示的
,设点
在
斜坐标系中的对应点分别为点
.已知线段
上存在一点
,分
所成的比为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/24/4c7edd10-77ac-4396-9d2b-570a96148545.png?resizew=169)
(1)求
的面积;
(2)已知
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8bc439c8dd910f1ce5aac8cdcad942b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ee82573986d4fa6a7ee1b5f397edae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98226d9d5a14f9572a862e62b5c6aee6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c5b9d864b406b04cdbaf4e8972e4eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecb94640ab11447c26a9c4f272ba192d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/24/4c7edd10-77ac-4396-9d2b-570a96148545.png?resizew=169)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9fcf44e5f105d71562ad54cc6a4b83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/975fc183ba81c67cba79a2b2567907ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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5 . 设函数
,已知函数
的最小正周期相同,且
.
(1)试确定
的解析式;
(2)求
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa25985f12d22739fc65c9fac54eb8ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fd1e808e015f4cb43d2e3a0529ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69cf30e6c5b91015150eeef87a8a6806.png)
(1)试确定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fd1e808e015f4cb43d2e3a0529ac6a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2024-03-23更新
|
124次组卷
|
2卷引用:第六届高一试题(初赛)-“枫叶新希望杯”全国数学大赛真题解析(高中版)
解题方法
6 . 已知
,
,且
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8bcfdd6f40a70e1fc54716f53e6b2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e9a16c5a6fb56d6a65b68e0e357c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d8ed1627cef9d38bcf5eeb42da84251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a3ac83c571110d41a396d12d8eea1c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db9bff61ea982def4f236f992f34b38.png)
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7 . 若
,函数
的最大值为0,最小值为
,求
与
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da075b356d79e8011b405b110c3071b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解题方法
8 . 求函数
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a802e59a33c06ca0bfd933a1d28200.png)
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9 . 已知奇函数
在
上有意义,且在
上是增函数,
,又有函数
,若集合
,集合
.
(1)求
的解集;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d028846b8614318fbf90387d13c75b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471484b64504fc545398f52be830010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801d7d72a6a0089b6ad2bb14dffa2b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4cc706c8ae6414cfe83a2e55432d51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f80e86eae6c253249e39396131325d7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
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10 . 已知根式
恒有意义,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91672e2b00c60e43b903cf0ac4a909d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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