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The unit circle and the sine function.
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Expression 2: "k" equals 0.7 8 5 3 9 8 1 6 3 3 9 7 4 4 8 3
k
=
0
.
7
8
5
3
9
8
1
6
3
3
9
7
4
4
8
3
negative StartFraction, left parenthesis, 3 pi , right parenthesis Over 2 , EndFraction
−
3
π
2
StartFraction, left parenthesis, 5 pi , right parenthesis Over 2 , EndFraction
5
π
2
2
mechanics
mechanics
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3
22
powered by
powered by
(0.78539816,0.70710678)
t = 0.78539816
y=0.70710678
"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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