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α = CAE = 15°
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Expression 18: "A" Subscript, 1 , Baseline equals negative "R" equals negative 9
A
1
=
−
R
equals
=
negative 9
−
9
18
Expression 19: "A" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline equals 0
A
2
=
O
2
equals
=
0
0
19
Expression 20: "B" Subscript, 1 , Baseline equals "R" equals 9
B
1
=
R
equals
=
9
9
20
Expression 21: "B" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline equals 0
B
2
=
O
2
equals
=
0
0
21
Expression 22: "C" Subscript, 1 , Baseline equals "R" cosine "B" Subscript, "O" "C" , Baseline equals 4.5
C
1
=
R
c
o
s
B
O
C
equals
=
4.5
4
.
5
22
Expression 23: "C" Subscript, 2 , Baseline equals "R" sine "B" Subscript, "O" "C" , Baseline equals 7.7 9 4 2 2 8 6 3 4 0 6
C
2
=
R
s
i
n
B
O
C
equals
=
7.7 9 4 2 2 8 6 3 4 0 6
7
.
7
9
4
2
2
8
6
3
4
0
6
23
Expression 24: "D" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline plus "A" Subscript, "D" , Baseline equals 2.4 1 1 5 4 2 7 3 1 8 8
D
1
=
A
1
+
A
D
equals
=
2.4 1 1 5 4 2 7 3 1 8 8
2
.
4
1
1
5
4
2
7
3
1
8
8
24
Expression 25: "D" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline equals 0
D
2
=
O
2
equals
=
0
0
25
Expression 26: "E" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus "C" Subscript, "E" , Baseline cosine left parenthesis, StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction minus 90 , right parenthesis equals 6.5 8 8 4 5 7 2 6 8 1 2
E
1
=
C
1
+
C
E
c
o
s
B
O
C
2
−
9
0
equals
=
6.5 8 8 4 5 7 2 6 8 1 2
6
.
5
8
8
4
5
7
2
6
8
1
2
26
Expression 27: "E" Subscript, 2 , Baseline equals "C" Subscript, 2 , Baseline plus "C" Subscript, "E" , Baseline sine left parenthesis, StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction minus 90 , right parenthesis equals 4.1 7 6 9 1 4 5 3 6 2 4
E
2
=
C
2
+
C
E
s
i
n
B
O
C
2
−
9
0
equals
=
4.1 7 6 9 1 4 5 3 6 2 4
4
.
1
7
6
9
1
4
5
3
6
2
4
27
Expression 28: "M" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline plus "A" Subscript, "M" , Baseline cosine alpha equals 3.2 9 4 2 2 8 6 3 4 0 6
M
1
=
A
1
+
A
M
c
o
s
α
equals
=
3.2 9 4 2 2 8 6 3 4 0 6
3
.
2
9
4
2
2
8
6
3
4
0
6
28
Expression 29: "M" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline plus "A" Subscript, "M" , Baseline sine alpha equals 3.2 9 4 2 2 8 6 3 4 0 6
M
2
=
A
2
+
A
M
s
i
n
α
equals
=
3.2 9 4 2 2 8 6 3 4 0 6
3
.
2
9
4
2
2
8
6
3
4
0
6
29
Graphs
Graphs
Hide this folder from students.
30
Expression 31: "y" less than 25 Has graph. To audio trace, press ALT+T.
y
<
2
5
31
Expression 32: polygon left parenthesis, "C" , "O" , right parenthesis
p
o
l
y
g
o
n
C
,
O
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: 180
1
8
0
33
Expression 34: left parenthesis, "M" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesis Has graph.
M
1
+
R
1
c
o
s
t
,
M
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, "A" , "E" , "A" , "B" , "E" , "D" , "E" , "C" , "D" , "C" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
E
,
A
,
B
,
E
,
D
,
E
,
C
,
D
,
C
35
Points
Points
Hide this folder from students.
36
49
powered by
powered by
O
A
B
C
D
E
M
Start black, alpha End black
α
45°
"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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