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Mathematics
Mathematics
Problem
If
θ
\theta
θ
is an angle such that
tan
θ
<
0
\tan\theta<0
tan
θ
<
0
and
sin
θ
>
0
\sin\theta>0
sin
θ
>
0
, then the sign of
sin
(
2
θ
)
\sin(2\theta)
sin
(
2
θ
)
is a) Positive b) Zero c) Negative d) Cannot be determined
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