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Mathematics
Mathematics
Problem
If
tan
A
+
2
tan
2
A
+
4
tan
4
A
+
8
cot
8
A
=
k
cot
A
\tan A + 2 \tan 2A + 4 \tan 4A + 8 \cot 8A = k \cot A
tan
A
+
2
tan
2
A
+
4
tan
4
A
+
8
cot
8
A
=
k
cot
A
, then find the value of
k
k
k
.
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