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Trigonometry in Triangle
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Starting with the adjacent leg, you can
Starting with the adjacent leg, you can
对学生隐藏该文件夹。
16
multiply with the Tangent to get the opposite leg
multiply with the Tangent to get the opposite leg
17
表达式18: "A" Subscript, "d" "j" "a" "c" "e" "n" "t" , Baseline times "T" Subscript, "a" "n" "g" "e" "n" "t" , Baseline
A
d
j
a
c
e
n
t
·
T
a
n
g
e
n
t
equals
=
3.0 1 4 2 1 6 2 0 0 4 1
3
.
0
1
4
2
1
6
2
0
0
4
1
18
表达式19: "O" Subscript, "p" "p" "o" "s" "i" "t" "e" , Baseline
O
p
p
o
s
i
t
e
equals
=
3.0 1 4 2 1 6 2 0 0 4 1
3
.
0
1
4
2
1
6
2
0
0
4
1
19
or divide by the Cosine to get the hypotenuse
or divide by the Cosine to get the hypotenuse
20
表达式21: StartFraction, "A" Subscript, "d" "j" "a" "c" "e" "n" "t" , Baseline Over "C" Subscript, "o" "s" "i" "n" "e" , Baseline , EndFraction
A
d
j
a
c
e
n
t
C
o
s
i
n
e
equals
=
5.0 0 8 5 4 2 6 3 2 6 2
5
.
0
0
8
5
4
2
6
3
2
6
2
21
表达式22: "H" Subscript, "y" "p" "o" "t" "e" "n" "u" "s" "e" , Baseline
H
y
p
o
t
e
n
u
s
e
equals
=
5.0 0 8 5 4 2 6 3 2 6 2
5
.
0
0
8
5
4
2
6
3
2
6
2
22
Starting with the opposite leg, you can
Starting with the opposite leg, you can
对学生隐藏该文件夹。
23
divide by the Tangent to get the adjacent leg
divide by the Tangent to get the adjacent leg
24
表达式25: StartFraction, "O" Subscript, "p" "p" "o" "s" "i" "t" "e" , Baseline Over "T" Subscript, "a" "n" "g" "e" "n" "t" , Baseline , EndFraction
O
p
p
o
s
i
t
e
T
a
n
g
e
n
t
equals
=
4
4
25
表达式26: "A" Subscript, "d" "j" "a" "c" "e" "n" "t" , Baseline
A
d
j
a
c
e
n
t
equals
=
4
4
26
or divide by the Sine to get the hypotenuse
or divide by the Sine to get the hypotenuse
27
表达式28: StartFraction, "O" Subscript, "p" "p" "o" "s" "i" "t" "e" , Baseline Over "S" Subscript, "i" "n" "e" , Baseline , EndFraction
O
p
p
o
s
i
t
e
S
i
n
e
equals
=
5.0 0 8 5 4 2 6 3 2 6 2
5
.
0
0
8
5
4
2
6
3
2
6
2
28
表达式29: "H" Subscript, "y" "p" "o" "t" "e" "n" "u" "s" "e" , Baseline
H
y
p
o
t
e
n
u
s
e
equals
=
5.0 0 8 5 4 2 6 3 2 6 2
5
.
0
0
8
5
4
2
6
3
2
6
2
29
Visuals
Visuals
对学生隐藏该文件夹。
30
Vector and Angle package
Vector and Angle package
对学生隐藏该文件夹。
49
87
技术支持
技术支持
37 degrees
3
7
°
"A" "d" "j" "a" "c" "e" "n" "t" equals 4
A
d
j
a
c
e
n
t
=
4
"O" "p" "p" "o" "s" "i" "t" "e" equals 3.0 1 4 2 1 6 2
O
p
p
o
s
i
t
e
=
3
.
0
1
4
2
1
6
2
"H" "y" "p" "o" "t" "e" "n" "u" "s" "e" equals 5.0 0 8 5 4 2 6
H
y
p
o
t
e
n
u
s
e
=
5
.
0
0
8
5
4
2
6
times 0.6 0 1 8 1 5 0 2 equals
·
0
.
6
0
1
8
1
5
0
2
=
times 0.7 9 8 6 3 5 5 1 equals
·
0
.
7
9
8
6
3
5
5
1
=
times 0.7 5 3 5 5 4 0 5 equals
·
0
.
7
5
3
5
5
4
0
5
=
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
功能
(
(
)
)
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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