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Mathematics
Mathematics
Problem
If
α
\alpha
α
lies in II quadrant,
β
\beta
β
lies in III quadrant and
tan
(
α
+
β
)
>
0
\tan(\alpha + \beta) > 0
tan
(
α
+
β
)
>
0
, then
(
α
+
β
)
(\alpha + \beta)
(
α
+
β
)
lies in ..... quadrants.
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