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Mathematics
Mathematics
Problem
Given that
θ
∈
(
π
,
3
π
2
)
\theta \in \bigl(\pi,\tfrac{3\pi}{2}\bigr)
θ
∈
(
π
,
2
3
π
)
and
tan
θ
=
5
\tan \theta = 5
tan
θ
=
5
, determine the principal value of
θ
\theta
θ
.
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