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Angle BAC = 21°
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Expression 11: "B" Subscript, 2 , Baseline equals "s" sine 84 equals 5.9 6 7 1 3 1 3 7 2 2 1
B
2
=
s
s
i
n
8
4
equals
=
5.9 6 7 1 3 1 3 7 2 2 1
5
.
9
6
7
1
3
1
3
7
2
2
1
11
Expression 12: "C" Subscript, 1 , Baseline equals "s" plus 2 left parenthesis, "D" Subscript, 1 , Baseline minus "s" , right parenthesis equals negative 2.9 1 7 7 3 7 9 0 5 7 3
C
1
=
s
+
2
D
1
−
s
equals
=
negative 2.9 1 7 7 3 7 9 0 5 7 3
−
2
.
9
1
7
7
3
7
9
0
5
7
3
12
Expression 13: "C" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline equals 0
C
2
=
A
2
equals
=
0
0
13
Expression 14: "D" squared plus left parenthesis, "D" Subscript, 1 , Baseline minus "s" , right parenthesis squared equals "s" squared
D
2
2
+
D
1
−
s
2
=
s
2
14
Expression 15: "D" Subscript, 2 , Baseline equals StartRoot, "s" squared minus left parenthesis, "D" Subscript, 1 , Baseline minus "s" , right parenthesis squared , EndRoot equals 4.0 1 4 7 8 3 6 3 8 1 5
D
2
=
s
2
−
D
1
−
s
2
equals
=
4.0 1 4 7 8 3 6 3 8 1 5
4
.
0
1
4
7
8
3
6
3
8
1
5
15
Expression 16: "E" Subscript, 1 , Baseline equals "s" equals 6
E
1
=
s
equals
=
6
6
16
Expression 17: "E" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline equals 0
E
2
=
A
2
equals
=
0
0
17
Graphs
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18
Expression 19: "y" less than 40 Has graph. To audio trace, press ALT+T.
y
<
4
0
19
Expression 20: left parenthesis, "C" Subscript, 1 , Baseline plus "t" , "C" Subscript, 2 , Baseline , right parenthesis Has graph.
C
1
+
t
,
C
2
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
1
1
domain t Maximum:
20
Expression 21: polygon left parenthesis, "A" , "D" , "C" , "D" , "E" , "D" , "B" , "C" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
D
,
C
,
D
,
E
,
D
,
B
,
C
21
Points
Points
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22
35
powered by
powered by
A
D
E
?
||
||
||
"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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