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Trigonometry
hard
0:00.0
The value of
s
i
n
(
n
p
i
)
\\sin(n\\pi)
s
in
(
n
p
i
)
for any integer
n
n
n
is:
A
1
B
0
C
−
1
-1
−
1
D
(
−
1
)
n
(-1)^n
(
−
1
)
n
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