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Expression 14: "B" Subscript, 1 , Baseline equals "R" equals 4
B
1
=
R
equals
=
4
4
14
Expression 15: "B" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline equals 0
B
2
=
O
2
equals
=
0
0
15
Expression 16: "C" Subscript, 1 , Baseline equals "R" cosine "B" Subscript, "O" "C" , Baseline equals 3
C
1
=
R
c
o
s
B
O
C
equals
=
3
3
16
Expression 17: "C" Subscript, 2 , Baseline equals "R" sine "B" Subscript, "O" "C" , Baseline equals 2.6 4 5 7 5 1 3 1 1 0 6
C
2
=
R
s
i
n
B
O
C
equals
=
2.6 4 5 7 5 1 3 1 1 0 6
2
.
6
4
5
7
5
1
3
1
1
0
6
17
Expression 18: "D" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline minus left parenthesis, "B" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , right parenthesis equals 2
D
1
=
C
1
−
B
1
−
C
1
equals
=
2
2
18
Expression 19: "D" Subscript, 2 , Baseline equals "C" Subscript, 2 , Baseline minus left parenthesis, "B" Subscript, 2 , Baseline minus "C" Subscript, 2 , Baseline , right parenthesis equals 5.2 9 1 5 0 2 6 2 2 1 3
D
2
=
C
2
−
B
2
−
C
2
equals
=
5.2 9 1 5 0 2 6 2 2 1 3
5
.
2
9
1
5
0
2
6
2
2
1
3
19
Expression 20: "E" Subscript, 1 , Baseline equals "R" cosine "B" Subscript, "O" "E" , Baseline equals 0.5
E
1
=
R
c
o
s
B
O
E
equals
=
0.5
0
.
5
20
Expression 21: "E" Subscript, 2 , Baseline equals "R" sine "B" Subscript, "O" "E" , Baseline equals 3.9 6 8 6 2 6 9 6 6 6
E
2
=
R
s
i
n
B
O
E
equals
=
3.9 6 8 6 2 6 9 6 6 6
3
.
9
6
8
6
2
6
9
6
6
6
21
Graphs
Graphs
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22
Expression 23: "y" less than 25 Has graph. To audio trace, press ALT+T.
y
<
2
5
23
Expression 24: 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: 180
1
8
0
24
Expression 25: polygon left parenthesis, "A" , "B" , "C" , "A" , "D" , "C" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
B
,
C
,
A
,
D
,
C
25
Expression 26: polygon left parenthesis, "A" , "B" , "C" , "A" , "D" , "C" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
B
,
C
,
A
,
D
,
C
26
Points
Points
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27
39
powered by
powered by
O
A
B
C
D
E
CD = BC
2
R = 4
R = 4
"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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