Loading...
DE = X = 7
保存副本
Desmos标志
登录
注册
表达式21: "O" Subscript, 2 , Baseline equals StartRoot, 0 , EndRoot
O
2
=
0
equals
=
0
0
21
表达式22: "A" Subscript, 1 , Baseline equals "R"
A
1
=
R
equals
=
21.8 1 4 4 2 9 4 7 4 6
2
1
.
8
1
4
4
2
9
4
7
4
6
22
表达式23: "A" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline
A
2
=
O
2
equals
=
0
0
23
表达式24: "B" Subscript, 1 , Baseline equals "R" cosine "A" Subscript, "O" "B" , Baseline
B
1
=
R
c
o
s
A
O
B
equals
=
12.6 4 6 1 8 6 0 3 1 2
1
2
.
6
4
6
1
8
6
0
3
1
2
24
表达式25: "B" Subscript, 2 , Baseline equals "R" sine "A" Subscript, "O" "B" , Baseline
B
2
=
R
s
i
n
A
O
B
equals
=
17.7 7 4 7 9 4 2 9 3 2
1
7
.
7
7
4
7
9
4
2
9
3
2
25
表达式26: "C" Subscript, 1 , Baseline equals "R" cosine left parenthesis, "A" Subscript, "O" "B" , Baseline plus "B" Subscript, "O" "C" , Baseline , right parenthesis
C
1
=
R
c
o
s
A
O
B
+
B
O
C
equals
=
negative 1.8 2 0 6 8 9 5 2 3 1 2
−
1
.
8
2
0
6
8
9
5
2
3
1
2
26
表达式27: "C" Subscript, 2 , Baseline equals "R" sine left parenthesis, "A" Subscript, "O" "B" , Baseline plus "B" Subscript, "O" "C" , Baseline , right parenthesis
C
2
=
R
s
i
n
A
O
B
+
B
O
C
equals
=
21.7 3 8 3 1 6 9 3 0 3
2
1
.
7
3
8
3
1
6
9
3
0
3
27
表达式28: "D" Subscript, 1 , Baseline equals "R" cosine left parenthesis, "A" Subscript, "O" "B" , Baseline plus "B" Subscript, "O" "C" , Baseline plus "C" Subscript, "O" "D" , Baseline , right parenthesis
D
1
=
R
c
o
s
A
O
B
+
B
O
C
+
C
O
D
equals
=
negative 20.6 9 1 3 1 9 6 5 2 7
−
2
0
.
6
9
1
3
1
9
6
5
2
7
28
表达式29: "D" Subscript, 2 , Baseline equals "R" sine left parenthesis, "A" Subscript, "O" "B" , Baseline plus "B" Subscript, "O" "C" , Baseline plus "C" Subscript, "O" "D" , Baseline , right parenthesis
D
2
=
R
s
i
n
A
O
B
+
B
O
C
+
C
O
D
equals
=
6.9 0 9 3 1 4 3 1 6 7 9
6
.
9
0
9
3
1
4
3
1
6
7
9
29
表达式30: "E" Subscript, 1 , Baseline equals negative "R"
E
1
=
−
R
equals
=
negative 21.8 1 4 4 2 9 4 7 4 6
−
2
1
.
8
1
4
4
2
9
4
7
4
6
30
表达式31: "E" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline
E
2
=
O
2
equals
=
0
0
31
表达式32: "F" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline
F
1
=
E
1
equals
=
negative 21.8 1 4 4 2 9 4 7 4 6
−
2
1
.
8
1
4
4
2
9
4
7
4
6
32
表达式33: "F" Subscript, 2 , Baseline equals "R"
F
2
=
R
equals
=
21.8 1 4 4 2 9 4 7 4 6
2
1
.
8
1
4
4
2
9
4
7
4
6
33
表达式34: "G" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline
G
1
=
A
1
equals
=
21.8 1 4 4 2 9 4 7 4 6
2
1
.
8
1
4
4
2
9
4
7
4
6
34
表达式35: "G" Subscript, 2 , Baseline equals "R"
G
2
=
R
equals
=
21.8 1 4 4 2 9 4 7 4 6
2
1
.
8
1
4
4
2
9
4
7
4
6
35
Graphs
Graphs
对学生隐藏该文件夹。
36
表达式37: polygon left parenthesis, "A" , "B" , "C" , "D" , "E" , "F" , "G" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
C
,
D
,
E
,
F
,
G
37
表达式38: left parenthesis, "R" cos "t" , "R" sin 0 , right parenthesis
R
c
o
s
t
,
R
s
i
n
0
0
0
定义域t最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定义域t最大值： 180
1
8
0
38
表达式39: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis
R
c
o
s
t
,
R
s
i
n
t
0
0
定义域t最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定义域t最大值： 180
1
8
0
39
表达式40: polygon left parenthesis, "B" , "G" , right parenthesis
p
o
l
y
g
o
n
B
,
G
40
表达式41: polygon left parenthesis, "D" , "F" , right parenthesis
p
o
l
y
g
o
n
D
,
F
41
Points
Points
对学生隐藏该文件夹。
42
61
技术支持
技术支持
O
A
B
C
D
E
F
G
14.95
10.2
R
R
20
15
24
X = 7
Start black, "X" equals 7 ⇒ "D" "F" not equal "B" "G" End black
X
=
7
⇒
D
F
≠
B
G
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
功能
(
(
)
)
less than
<
greater than
>
4
4
5
5
6
6
times
×
| "a" |
|
a
|
,
,
less than or equal to
≤
greater than or equal to
≥
1
1
2
2
3
3
negative
−
A B C
StartRoot, , EndRoot
pi
π
0
0
.
.
equals
=
positive
+
登录
或
注册
保存你的图表！
新建空白图表
示例
直线：斜截式
示例
直线：点斜式
示例
直线：两点式
示例
抛物线：标准式
示例
抛物线：顶点式
示例
抛物线：标准式和切线
示例
三角函数：周期和幅值
示例
三角函数：相位
示例
三角函数：波的干涉
示例
三角函数：单位圆
示例
圆锥曲线：圆
示例
圆锥曲线：抛物线和焦点
示例
圆锥曲线：椭圆和交点
示例
圆锥曲线：双曲线
示例
极坐标系：玫瑰线
示例
极坐标系：等角螺线
示例
极坐标系：蚶线
示例
极坐标系：圆锥曲线
示例
参数：导入
示例
参数：摆线
示例
变换：函数平移
示例
变换：函数缩放
示例
变换：函数逆变换
示例
统计：线性回归
示例
统计：安斯库姆四重奏
示例
统计：四阶多项式
示例
列表：正弦曲线家族
示例
列表：曲线拼接
示例
列表：根据点列表绘制线
示例
微积分：导数
示例
微积分：割线
示例
微积分：切线
示例
微积分：sin(x)的泰勒展开式
示例
微积分：积分
示例
微积分: 边界可调整的积分
示例
微积分: 微积分基本定理
示例
服务条款
|
隐私政策
