1 . 已知函数
.
(1)求
的最小正周期和单调递增 区间;
(2)已知
的内角
的对边分别为
,且三边长
成等差数列,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6e68055ca35bc45def255ac2b176a48.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2b9f4a56eddb8729daedaa14205852.png)
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2 . 已知平面向量
的夹角为
且
,在
中,
,
,
为
中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75b6e21c81ba38e66a956cc9e812e4e.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5423af15a6b479453e79bcabdded23a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0bf9e42f4ba6772a859da00df960714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77eea0bc8e56c7d783c491524524302e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9178fc8b5d65aa75fa9196294a0db7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3f5df6346472362e8b3aeaa89ad8efc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe85c2eea4be20b3fafa63337c560c1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75b6e21c81ba38e66a956cc9e812e4e.png)
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3 . 已知
,且满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323641a77c516a7100ce600e143ad0ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eb0cdffdb8fb272289da1b9056b9782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c16842a9faf3cee521c16a1e8a8ae89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323641a77c516a7100ce600e143ad0ba.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知函数
的图象向左平移
个单位后关于
轴对称,则函数
的一个单调递增区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58532be72a6603c558b5d9c3cf52844.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-07-04更新
|
628次组卷
|
6卷引用:2017届重庆市高三学业质量调研抽测(第一次)数学(理)试卷
名校
5 . 已知锐角
的三个内角
的对边分别为
,且
.
(1)求角
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/707b726a2b12f00cb97a094ae4b49013.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd5b9bbd3d22bd2cef53dd4b9691257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6d5e85222ac3950da7d27a5d79fb40.png)
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2017-06-05更新
|
1786次组卷
|
5卷引用:重庆市第八中学2017届高三适应性月考卷(八)文科数学试卷
6 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af945c83e2dda0c31ac789bd2a2dd7be.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d88fd7361500cc27a71d40a0a7d835a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af945c83e2dda0c31ac789bd2a2dd7be.png)
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2017-05-31更新
|
995次组卷
|
4卷引用:重庆市巴蜀中学2017届高三三诊考试文科数学试题
7 . (原创)在非直角
中,
为
上的中点,且
,
为边
上一点,
,
,则
的面积的最大值为__________ .(其中
表示
的面积)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b8f94d6fd005534d064ddacf8800b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcbd3835acdb0c946b5fc3c5a3f3b0f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60634341a9603e24b2bbc6960abe3d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58195e8ee6f342c1641d9e88ff986f56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
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2017-05-27更新
|
3938次组卷
|
2卷引用:重庆市第一中学2016-2017学年高一下学期期中考试数学试题
名校
8 . 已知
为单位向量,其夹角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79e9bffd551d273bbbe15f9032968c38.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d194ecefc9101001d88d3cc0bc9d6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79e9bffd551d273bbbe15f9032968c38.png)
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2017-05-27更新
|
383次组卷
|
2卷引用:重庆市第一中学2016-2017学年高一下学期期中考试数学试题
名校
解题方法
9 . 已知平面直角坐标系中点
,
,
,平面区域
由所有满足
(
,
)的点
组成的区域,若区域
的面积为
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b931faee548175c7895ac9eeca6fed83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7291b3d921f595f28960abcdce6dfbed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647c97da671781944dcbac93af7cadcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e0b71d7b357e8bb49cc3575fdd207b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/058094350994c038f81bf26f79525b3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d1f44c1b1113a2edcbbf493724f29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-05-27更新
|
1243次组卷
|
2卷引用:重庆市第一中学2016-2017学年高一下学期期中考试数学试题
10 . 设向量
,且
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/416cbd7ad49cb91180afff571e89aae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/088748a2f5adb7e2b701566667f84eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.1 | B.2 | C.3 | D.4 |
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