1 . 如图,
中,三个内角
成等差数列,且
.
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573114573406208/1573114579492864/STEM/6a5800bfed5f4fb9afd5e48e0743d802.png)
(1)求
的面积;
(2)已知平面直角坐标系
,点
,若函数
的图象经过
三点,且
为
的图象与
轴相邻的两个交点,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa1b0ccef9545073feda387627125ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b4671a4844f44cfcd3e2250652f284b.png)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573114573406208/1573114579492864/STEM/6a5800bfed5f4fb9afd5e48e0743d802.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
(2)已知平面直角坐标系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f291e2d4527b1124aff2a0c42f7b88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c6b2a7b8308470772ee50e873f7ea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7532c9ed3901cd0ca8ea9b8c2ccce5ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72983f5f7cc2a3dcf5eef8806fc558b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
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2 . 在等腰梯形
中,已知
,点
和点
分别在线段
和
上,且
,则
的值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5edca21fcc174e5cf2e787e92400ce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573114573406208/1573114579427328/STEM/1235d6ad3d5746e483eb51aa402ccd03.png?resizew=157)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573114573406208/1573114579427328/STEM/80421671b2014d0f991edf754171c4bf.png?resizew=55)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573114573406208/1573114579427328/STEM/b6b92f348adc47d8944c7a7c4927ecde.png?resizew=180)
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解题方法
3 . 已知平面直角坐标系中,
,则向量
在向量
的方向上的投影是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0039ef1214a21fb326e6ebc6e9b7a347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
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4 . 如图,四边形
是三个全等的菱形,
,设
.已知点
在各菱形边上运动,且
的最大值为
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573114573406208/1573114579214336/STEM/1a42b113-157e-4ef3-8639-8beec19084e2.png?resizew=276)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c33366895fb247fb411dc0db760d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/634d01aac9dacd422568d432c105b50f.png)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573114573406208/1573114579214336/STEM/81cec72f69824ac3bed82fced4dab681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573114573406208/1573114579214336/STEM/2c342e257e664dc197bbd4022880d7c2.png)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573114573406208/1573114579214336/STEM/1a42b113-157e-4ef3-8639-8beec19084e2.png?resizew=276)
A.3 | B.4 |
C.5 | D.6 |
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5 . (理)已知
为平面向量,若
与
的夹角为
与
的夹角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02fe8051f43342a156c9e5fb20a9189f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68700d9ef1627e2e1a26fb3fe21c4774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df866de16c982e410a446e93e22cb2ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46339ad09a0f145eae10dee14e6c287d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/145b55aa6af05f01e19ad4ed0cc2001d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b5960e052f614ae45628785cb2cbf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aa42b56b1c92689a080b58cb603a642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02fe8051f43342a156c9e5fb20a9189f.png)
A.![]() | B.![]() |
C.![]() | D.2 |
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解题方法
6 . 设向量
,若向量
与
平行,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aadec21b0a96bc0c5ae83bdcf52fb25a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697e82d288df5ac7656340301e636646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e07c25df57a36d4f1b11d7d9fe16b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 已知函数
.
(1)求函数
在
时的值域;
(2)在△
中,角
、
、
所对的边分别为
、
、
,且满足
,
,
,求边
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e171188a1776f401d993164145be94c9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3202e14511fb886ef6f90699609c97af.png)
(2)在△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.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/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f3937de96b2a761721ef85ec90495b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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8 . 函数
是
上的增函数,且
,其中
为锐角,并且使得函数
在
上单调递减,则
的取值范围是________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1fe4f9ba3f2b2cabf0299a63f9a4bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feda253bfbc578cd9747fa8bb182ad3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe386ad25a4c1cce633ed4e129127047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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2016-12-04更新
|
652次组卷
|
2卷引用:2017届重庆市巴蜀中学高三上月考一数学(理)试卷
9 . 已知向量
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9629e682cb7f2a6dbd283625108abb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a683ed0427aad624066545101e33c9d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e97bb7bf03e93fb26e81f6ed10e60f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac408a5d33731ec9026a0a0e21d071f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9629e682cb7f2a6dbd283625108abb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
A.![]() | B.5 | C.![]() | D.![]() |
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10 . 已知函数
.
(1)当
时,求函数
的值域;
(2)已知
,函数
,若函数
在区间
上是增函数,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f995bb4c8552ac72998de6d05c842936.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e2726016837e2dd4277d9e7e53d35b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f8b1052b2d548a9d8b584ecca5057bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e6a6a4e8f8023dcab93fe121560173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e8e56775cf5647a53c09cee93cc758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8542e50495795c98f7aa7501fe0690a.png)
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