Loading...
Missing Angle BAC = 20°
保存副本
Desmos标志
登录
注册
表达式15: "c" Subscript, 1 , Baseline equals hsv left parenthesis, 1 , 0 , 1 , right parenthesis
c
1
=
h
s
v
1
,
0
,
1
15
表达式16: "A" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline minus StartFraction, "C" Subscript, 2 , Baseline left parenthesis, "C" Subscript, 1 , Baseline minus "M" Subscript, 1 , Baseline , right parenthesis Over "C" Subscript, 2 , Baseline minus "M" Subscript, 2 , Baseline , EndFraction
A
1
=
C
1
−
C
2
C
1
−
M
1
C
2
−
M
2
equals
=
4.4 1 1 5 8 2 2 1 0 7 times 10 to the negative 12th power
4
.
4
1
1
5
8
2
2
1
0
7
×
1
0
−
1
2
16
表达式17: "A" Subscript, 2 , Baseline equals StartRoot, 0 , EndRoot
A
2
=
0
equals
=
0
0
17
表达式18: "C" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline minus "C" Subscript, "D" , Baseline cosine left parenthesis, negative "A" Subscript, "D" "B" , Baseline minus "B" Subscript, "D" "C" , Baseline , right parenthesis
C
1
=
D
1
−
C
D
c
o
s
−
A
D
B
−
B
D
C
equals
=
5.6 8 5 7 9 0 2 1 3 0 2
5
.
6
8
5
7
9
0
2
1
3
0
2
18
表达式19: "C" Subscript, 2 , Baseline equals negative "C" Subscript, "D" , Baseline sine left parenthesis, negative "A" Subscript, "D" "B" , Baseline minus "B" Subscript, "D" "C" , Baseline , right parenthesis
C
2
=
−
C
D
s
i
n
−
A
D
B
−
B
D
C
equals
=
9.8 4 8 0 7 7 5 3 0 1 2
9
.
8
4
8
0
7
7
5
3
0
1
2
19
表达式20: "D" Subscript, 1 , Baseline equals 7.4 2 2 2 7 1 9 8 9 6 9
D
1
=
7
.
4
2
2
2
7
1
9
8
9
6
9
0
0
7.4 2 2 2 7 1 9 8 9 6 9
7
.
4
2
2
2
7
1
9
8
9
6
9
20
表达式21: "D" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline
D
2
=
A
2
equals
=
0
0
21
表达式22: "B" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline minus "B" Subscript, "D" , Baseline cosine left parenthesis, negative "A" Subscript, "D" "B" , Baseline , right parenthesis
B
1
=
D
1
−
B
D
c
o
s
−
A
D
B
equals
=
1.2 8 8 8 6 4 0 0 5 1 6
1
.
2
8
8
8
6
4
0
0
5
1
6
22
表达式23: "B" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline minus "B" Subscript, "D" , Baseline sine left parenthesis, negative "A" Subscript, "D" "B" , Baseline , right parenthesis
B
2
=
D
2
−
B
D
s
i
n
−
A
D
B
equals
=
7.3 0 9 5 1 1 0 0 0 4 1
7
.
3
0
9
5
1
1
0
0
0
4
1
23
表达式24: "M" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline minus "D" Subscript, "M" , Baseline cosine left parenthesis, negative "A" Subscript, "D" "B" , Baseline , right parenthesis
M
1
=
D
1
−
D
M
c
o
s
−
A
D
B
equals
=
3.0 2 5 3 4 5 7 8 1 8 3
3
.
0
2
5
3
4
5
7
8
1
8
3
24
表达式25: "M" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline minus "D" Subscript, "M" , Baseline sine left parenthesis, negative "A" Subscript, "D" "B" , Baseline , right parenthesis
M
2
=
D
2
−
D
M
s
i
n
−
A
D
B
equals
=
5.2 4 0 0 5 2 6 0 4 5 9
5
.
2
4
0
0
5
2
6
0
4
5
9
25
Graphs
Graphs
对学生隐藏该文件夹。
26
表达式27: "y" less than 25
y
<
2
5
27
表达式28: polygon left parenthesis, "A" , "B" , "C" , "A" , "C" , "D" , "B" , "D" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
C
,
A
,
C
,
D
,
B
,
D
28
Points
Points
对学生隐藏该文件夹。
29
46
技术支持
技术支持
A
B
C
D
M
50
30
40
30
?
"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
