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Mathematics
Mathematics
Problem
The equation
sin
4
x
=
2
2
\sin 4x = \dfrac{\sqrt{2}}{2}
sin
4
x
=
2
2
is considered in the interval
[
0
,
2
π
)
[0,2\pi)
[
0
,
2
π
)
. How many solutions does it have in this interval? a)
6
6
6
b)
10
10
10
c)
8
8
8
d)
4
4
4
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