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Angle ACD = 52.238756093°
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Expression 19: "C" Subscript, 2 , Baseline equals "R" sine "B" Subscript, "O" "C" , Baseline
C
2
=
R
s
i
n
B
O
C
equals
=
6.5 3 5 6 5 9 3 9 6 7 3
6
.
5
3
5
6
5
9
3
9
6
7
3
19
Expression 20: "D" Subscript, 1 , Baseline equals "R" Subscript, 1 , Baseline
D
1
=
R
1
equals
=
4.5
4
.
5
20
Expression 21: "D" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline
D
2
=
O
2
equals
=
0
0
21
Expression 22: "E" Subscript, 1 , Baseline equals negative "R" Subscript, 1 , Baseline
E
1
=
−
R
1
equals
=
negative 4.5
−
4
.
5
22
Expression 23: "E" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline
E
2
=
O
2
equals
=
0
0
23
Expression 24: "L" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline minus "M" Subscript, "N" , Baseline cosine StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction
L
1
=
M
1
−
M
N
c
o
s
B
O
C
2
equals
=
negative 3.9 3 7 5
−
3
.
9
3
7
5
24
Expression 25: "L" Subscript, 2 , Baseline equals "M" Subscript, 2 , Baseline minus "M" Subscript, "N" , Baseline sine StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction
L
2
=
M
2
−
M
N
s
i
n
B
O
C
2
equals
=
2.1 7 8 5 5 3 1 3 2 2 4
2
.
1
7
8
5
5
3
1
3
2
2
4
25
Expression 26: "M" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline plus "A" Subscript, "M" , Baseline cosine StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction
M
1
=
A
1
+
A
M
c
o
s
B
O
C
2
equals
=
negative 1.4 0 6 2 5
−
1
.
4
0
6
2
5
26
Expression 27: "M" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline plus "A" Subscript, "M" , Baseline sine StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction
M
2
=
A
2
+
A
M
s
i
n
B
O
C
2
equals
=
3.2 6 7 8 2 9 6 9 8 3 6
3
.
2
6
7
8
2
9
6
9
8
3
6
27
Expression 28: "N" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline plus "M" Subscript, "N" , Baseline cosine StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction
N
1
=
M
1
+
M
N
c
o
s
B
O
C
2
equals
=
1.1 2 5
1
.
1
2
5
28
Expression 29: "N" Subscript, 2 , Baseline equals "M" Subscript, 2 , Baseline plus "M" Subscript, "N" , Baseline sine StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction
N
2
=
M
2
+
M
N
s
i
n
B
O
C
2
equals
=
4.3 5 7 1 0 6 2 6 4 4 8
4
.
3
5
7
1
0
6
2
6
4
4
8
29
Graphs
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30
Expression 31: "y" less than 25
y
<
2
5
31
Expression 32: left parenthesis, "R" Subscript, 1 , Baseline cos "t" , "R" Subscript, 1 , Baseline sin "t" , right parenthesis
R
1
c
o
s
t
,
R
1
s
i
n
t
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
domain t Maximum: 180
1
8
0
32
Expression 33: polygon left parenthesis, "A" , "B" , "D" , "C" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
D
,
C
33
Expression 34: left parenthesis, "R" Subscript, 1 , Baseline cos "t" , "R" Subscript, 1 , Baseline sin "t" , right parenthesis
R
1
c
o
s
t
,
R
1
s
i
n
t
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
domain t Maximum: 180
1
8
0
34
Expression 35: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis
R
c
o
s
t
,
R
s
i
n
t
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
domain t Maximum: 180
1
8
0
35
Expression 36: polygon left parenthesis, "M" , "O" , right parenthesis
p
o
l
y
g
o
n
M
,
O
36
Expression 37: polygon left parenthesis, "C" , "O" , right parenthesis
p
o
l
y
g
o
n
C
,
O
37
Points
Points
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38
55
powered by
powered by
O
A
B
D
E
L
M
N
C
||
||
||
||
AL = LN = CN
Angle ACD = ?
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
functions
(
(
)
)
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
+
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