1 . 已知函数
,
.
(1)用五点法作图,填表并作出
在一个周期内的图象![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/19/7d0ddc07-d7c1-4e52-a5fc-d6702084d297.png?resizew=204)
(2)写出函数
单调递减区间和其图象的对称轴方程;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2795e77ea05f3eb581aec976e77bbee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)用五点法作图,填表并作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/19/7d0ddc07-d7c1-4e52-a5fc-d6702084d297.png?resizew=204)
(2)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2 . 在等差数列
中,填写下表:
思考填表过程,你能得出什么结论?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
题号 | ||||
(1) | 8 | |||
(2) | 2 | 9 | 18 | |
(3) | 30 | |||
(4) | 3 | 2 | 21 |
您最近一年使用:0次
2023-10-10更新
|
158次组卷
|
2卷引用:北师大版(2019)选择性必修第二册课本习题第一章2.1 等差数列的概念及其通项公式
2021高一·全国·专题练习
解题方法
3 . 如图是函数f(x)=
在区间[0,+∞)上的图象,请据此在该坐标系中补全函数f(x)在定义域内的图象,请说明你的作图依据.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/001fcc4e5ae0e10446047991ce245bb2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/f422753d-0d32-4b1d-b119-f8e0b8bb992b.png?resizew=300)
您最近一年使用:0次
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465bc4272bf6698add24aeefa0b59187.png)
(1)用“五点法”画出函数
在一个周期内的图象;
(2)直接写出函数
的值域和最小正周期.
列表:
作图:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465bc4272bf6698add24aeefa0b59187.png)
(1)用“五点法”画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465bc4272bf6698add24aeefa0b59187.png)
(2)直接写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465bc4272bf6698add24aeefa0b59187.png)
列表:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/7/8d37cf1a-cf08-4ca6-a271-e250cedb271a.png?resizew=181)
您最近一年使用:0次
名校
解题方法
5 . 已知四棱锥
的底面
是平行四边形,侧棱
平面
,点
在棱
上,且
,点
是在棱
上的动点(不为端点).(如图所示)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/12/3113b3d8-5a6b-4eda-8791-3d3b71470c49.png?resizew=183)
(1)若
是棱
中点,
(i)画出
的重心
(保留作图痕迹),指出点
与线段
的关系,并说明理由;
(ii)求证:
平面
;
(2)若四边形
是正方形,且
,当点
在何处时,直线
与平面
所成角的正弦值取最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc85ce5e111acf7162b8e1b5a3f6b220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/12/3113b3d8-5a6b-4eda-8791-3d3b71470c49.png?resizew=183)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
(i)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acee03d4bb4667b6c345221b6c9b0fa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
(ii)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf2bc3dd1f1ae5d5e28b0366f454ec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1885efcff0b903e314057dd153578600.png)
(2)若四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2304c541406034dd83040e9a7887ed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1885efcff0b903e314057dd153578600.png)
您最近一年使用:0次
2023-02-11更新
|
711次组卷
|
3卷引用:四川省绵阳南山中学实验学校2023届高三补习班下学期2月考试考试理科数学试题
四川省绵阳南山中学实验学校2023届高三补习班下学期2月考试考试理科数学试题(已下线)重难点突破06 立体几何解答题最全归纳总结(九大题型)-2广东省汕头金中、湛江一中、东莞东华、广州六中四校2023届高三下学期联考数学试题
名校
6 . 在
中,角
所对边分别为
,若
.
(1)证明:
为等边三角形;
(2)若(1)中的等边
边长为2,试用斜二测法画出其直观图,并求直观图面积.
注:只需画出直观图并求面积,不用写出详细的作图步骤.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec3f79448524d6848be51fdd5c7a150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1b5305cb9b5a90c4f13bceaaee4fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8176a512a8e931c56d85607764f48851.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若(1)中的等边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
注:只需画出直观图并求面积,不用写出详细的作图步骤.
您最近一年使用:0次
7 . 用斜二测画法画出如图所示的五边形的直观图.(不写作法,保留作图痕迹)
![](https://img.xkw.com/dksih/QBM/2022/4/20/2962141612589056/2962896317472768/STEM/147d74631e58415fa93e6156d777ae3d.png?resizew=196)
您最近一年使用:0次
2023高一·全国·专题练习
8 . 已知四棱锥
中,底面
为直角梯形,
平面
,
,
,
,
,M为
中点,过C,D,M的平面截四棱锥
所得的截面为
.若
与棱
交于点F,画出截面
,保留作图痕迹(不用说明理由),求点F的位置;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef699f5dc072b853cfe700c6f1abbbae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2753753faf2cb9a0003aa8e3945159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80137ee8af4684ce558242d8b3f1459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/17/b33672a1-1c35-447a-87ee-0fa74e5ecb5f.png?resizew=156)
您最近一年使用:0次
解题方法
9 . 已知函数
.
(1)试用“五点法”画出它的图象;
列表:
作图:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/1aac4d37-b535-4c98-ba7e-5f3d1771b1ea.png?resizew=399)
(2)从正弦曲线出发,如何通过图象变换得到函数
的图象?(两种方法)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a399a52ee750be637298b886f6d072e.png)
(1)试用“五点法”画出它的图象;
列表:
![]() | |||||
![]() | |||||
![]() | |||||
![]() |
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/1aac4d37-b535-4c98-ba7e-5f3d1771b1ea.png?resizew=399)
(2)从正弦曲线出发,如何通过图象变换得到函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a399a52ee750be637298b886f6d072e.png)
您最近一年使用:0次
2023高一上·全国·专题练习
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4326f430dfeb5593acb5332a4ab8cd.png)
(1)用“五点法”画出函数
在一个周期内的图象;
列表:
作图:
的值域和最小正周期.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4326f430dfeb5593acb5332a4ab8cd.png)
(1)用“五点法”画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4326f430dfeb5593acb5332a4ab8cd.png)
列表:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4326f430dfeb5593acb5332a4ab8cd.png)
您最近一年使用:0次