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Olympiad-Math
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Class 10
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Q)
If
A
,
B
,
C
are the interior angles of a triangle
A
B
C
, then
tan
(
B
+
C
2
)
$=_____
(
A
)
cot
A
(
B
)
tan
A
(
C
)
cot
A
2
(
D
)
tan
A
2
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