已知
,
,
,且函数
的最小正周期为
.
(1)求
的解析式;
(2)若关于
的方程
,在
内有两个不同的解
,
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a1221fe478efc3870332553a4c390ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f568a4a60ab878234ce2ff648e6c7742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0bf3bed28243ab5f823a1cf69a2b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d2f3a385d0128ca59d96620d06614ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f897eed68eaf69608ffa4cf9de94a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f886937d313874ba85c5a37982a00d71.png)
更新时间:2022-09-13 09:03:03
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知向量
,
,
,
,函数
图象的相邻两条对称轴之间的距离为
.
(1)求函数
的单调递减区间;
(2)求函数
在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89645f01bf5c2a1cea46268da7858ddf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0241568893645e12669cafe2bd36488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552c924549e18926bb0991e03afa6c1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c80a6b75053a8da8147fda01a4e7c3.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】设向量
.
(1)当
时,求
的值:
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe2ee290cb82bff369143227c53ce7e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4569daef16609186731b95b78ee0f95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dccf5af2912b02864d4c3981225fad8b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972214917c470599f214a08f454435f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069da5c624837df29947b7b8bf722097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df59c7d30b0a6e40b91d140667cf1dc7.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知向量
.
(1)若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c52337d6f53946db954d2d61e79c9099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
,求实数
的值;
(2)若向量
满足
且
,求向量
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a78b5a6055026f41ab65a96cc63dae.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c52337d6f53946db954d2d61e79c9099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74716291e9b3c16bcd6b7e51b3a40e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337ab4dc61186ca58bb0605cb6d02df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bda62c4bf7ebc4226362e055d6e3af7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/842a5951171e63d5e31c7ab3e05423e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337ab4dc61186ca58bb0605cb6d02df0.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知向量
,单位向量
与向量
的夹角为
.
(1)求向量
;
(2)若向量
与坐标轴不平行,且与向量
垂直,令
,请将t表示为x的函数
,并求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcab410a6071be2def8f0f014387dbe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a1df960feef63dec4790d63f52279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
(1)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a70aa887daa438f6745c162dd11b4307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f33f28247234029ae7589666c3f57b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐3】已知向量
.
(1)求
的最小正周期和单调减区间;
(2)将函数
的图象向右平移
个单位,再将所得图象上各点的横坐标伸长到原来的2倍,纵坐标不变,得到函数
的图象,在
中,角
的对边分别为
,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1628c8917feea5d3b61193faf3d1c39b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/740710b92f3f3af8f447d1a12799ef81.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c487fec20bd809e0baf5cb39afe8979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc214917d11bb4ff1faf49953ff6ee78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次