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Line Segment AB = 24
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Expression 18: "B" Subscript, 2 , Baseline equals negative "R" equals negative 11.1 3 4 6 1 2 3 3 4 4
B
2
=
−
R
equals
=
negative 11.1 3 4 6 1 2 3 3 4 4
−
1
1
.
1
3
4
6
1
2
3
3
4
4
18
Expression 19: "C" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline plus 15 equals negative 12.8 5 7 1 4 2 8 5 7 1
C
1
=
B
1
+
1
5
equals
=
negative 12.8 5 7 1 4 2 8 5 7 1
−
1
2
.
8
5
7
1
4
2
8
5
7
1
19
Expression 20: "C" Subscript, 2 , Baseline equals negative "R" equals negative 11.1 3 4 6 1 2 3 3 4 4
C
2
=
−
R
equals
=
negative 11.1 3 4 6 1 2 3 3 4 4
−
1
1
.
1
3
4
6
1
2
3
3
4
4
20
Expression 21: "D" Subscript, 1 , Baseline equals "O" Subscript, 1 , Baseline equals 0
D
1
=
O
1
equals
=
0
0
21
Expression 22: "D" Subscript, 2 , Baseline equals negative "R" equals negative 11.1 3 4 6 1 2 3 3 4 4
D
2
=
−
R
equals
=
negative 11.1 3 4 6 1 2 3 3 4 4
−
1
1
.
1
3
4
6
1
2
3
3
4
4
22
Expression 23: "E" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus left parenthesis, "C" Subscript, 1 , Baseline minus "I" Subscript, 1 , Baseline , right parenthesis cosine left parenthesis, 180 minus "B" Subscript, "C" "E" , Baseline , right parenthesis equals negative 12.3 0 6 1 2 2 4 4 9
E
1
=
C
1
+
C
1
−
I
1
c
o
s
1
8
0
−
B
C
E
equals
=
negative 12.3 0 6 1 2 2 4 4 9
−
1
2
.
3
0
6
1
2
2
4
4
9
23
Expression 24: "E" Subscript, 2 , Baseline equals "C" Subscript, 2 , Baseline plus left parenthesis, "C" Subscript, 1 , Baseline minus "I" Subscript, 1 , Baseline , right parenthesis sine left parenthesis, 180 minus "B" Subscript, "C" "E" , Baseline , right parenthesis equals negative 7.3 1 7 0 3 0 9 6 2 5 9
E
2
=
C
2
+
C
1
−
I
1
s
i
n
1
8
0
−
B
C
E
equals
=
negative 7.3 1 7 0 3 0 9 6 2 5 9
−
7
.
3
1
7
0
3
0
9
6
2
5
9
24
Expression 25: "F" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus StartFraction, "D" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline Over "C" Subscript, 1 , Baseline minus "I" Subscript, 1 , Baseline , EndFraction left parenthesis, "E" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , right parenthesis equals negative 11.0 2 0 4 0 8 1 6 3 3
F
1
=
C
1
+
D
1
−
C
1
C
1
−
I
1
E
1
−
C
1
equals
=
negative 11.0 2 0 4 0 8 1 6 3 3
−
1
1
.
0
2
0
4
0
8
1
6
3
3
25
Expression 26: "F" Subscript, 2 , Baseline equals "C" Subscript, 2 , Baseline plus StartFraction, "D" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline Over "C" Subscript, 1 , Baseline minus "I" Subscript, 1 , Baseline , EndFraction left parenthesis, "E" Subscript, 2 , Baseline minus "C" Subscript, 2 , Baseline , right parenthesis equals 1.5 9 0 6 5 8 9 0 4 9 1
F
2
=
C
2
+
D
1
−
C
1
C
1
−
I
1
E
2
−
C
2
equals
=
1.5 9 0 6 5 8 9 0 4 9 1
1
.
5
9
0
6
5
8
9
0
4
9
1
26
Expression 27: "I" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline plus StartFraction, 12 left parenthesis, "O" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis Over 12 plus 18 , EndFraction equals negative 16.7 1 4 2 8 5 7 1 4 3
I
1
=
B
1
+
1
2
O
1
−
B
1
1
2
+
1
8
equals
=
negative 16.7 1 4 2 8 5 7 1 4 3
−
1
6
.
7
1
4
2
8
5
7
1
4
3
27
Expression 28: "I" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline plus StartFraction, 12 left parenthesis, "O" Subscript, 2 , Baseline minus "B" Subscript, 2 , Baseline , right parenthesis Over 12 plus 18 , EndFraction equals negative 6.6 8 0 7 6 7 4 0 0 6 2
I
2
=
B
2
+
1
2
O
2
−
B
2
1
2
+
1
8
equals
=
negative 6.6 8 0 7 6 7 4 0 0 6 2
−
6
.
6
8
0
7
6
7
4
0
0
6
2
28
Expression 29: "T" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline plus left parenthesis, "D" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis cosine 2 "D" Subscript, "B" "O" , Baseline equals negative 7.6 7 4 9 2 7 1 1 3 7
T
1
=
B
1
+
D
1
−
B
1
c
o
s
2
D
B
O
equals
=
negative 7.6 7 4 9 2 7 1 1 3 7
−
7
.
6
7
4
9
2
7
1
1
3
7
29
Expression 30: "T" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline plus left parenthesis, "D" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis sine 2 "D" Subscript, "B" "O" , Baseline equals 8.0 6 6 9 1 3 0 1 7 7 6
T
2
=
B
2
+
D
1
−
B
1
s
i
n
2
D
B
O
equals
=
8.0 6 6 9 1 3 0 1 7 7 6
8
.
0
6
6
9
1
3
0
1
7
7
6
30
Graphs
Graphs
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31
Expression 32: "y" less than 25 Has graph. To audio trace, press ALT+T.
y
<
2
5
32
Expression 33: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis Has graph.
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: 360
3
6
0
33
Expression 34: left parenthesis, "I" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "I" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesis
I
1
+
R
1
c
o
s
t
,
I
2
+
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: 360
3
6
0
34
Expression 35: polygon left parenthesis, "B" , "O" , "B" , "C" , "A" , "C" , "D" , "O" , "T" , right parenthesis
p
o
l
y
g
o
n
B
,
O
,
B
,
C
,
A
,
C
,
D
,
O
,
T
35
Points
Points
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36
51
powered by
powered by
O
A
B
C
D
E
F
I
T
AB = ?
BI = 12
IO = 18
BC = 15
"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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