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Mathematics
Mathematics
Problem
If
sin
3
A
=
cos
(
A
−
26
∘
)
\sin 3A = \cos (A - 26^\circ)
sin
3
A
=
cos
(
A
−
2
6
∘
)
, where
3
A
3A
3
A
is an acute angle, find the value of
A
A
A
.
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