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Mathematics
Mathematics
Problem
How many
x
x
x
-intercepts does the graph of
y
=
sin
x
y = \sin x
y
=
sin
x
have in the interval
[
−
2
π
,
π
]
[-2\pi,\;\pi]
[
−
2
π
,
π
]
? a)
5
5
5
b)
3
3
3
c)
4
4
4
d)
7
7
7
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