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Mathematics
Mathematics
Problem
If
cos
A
+
cos
2
A
=
1
\cos A + \cos^2 A = 1
cos
A
+
cos
2
A
=
1
, then find the value of
sin
2
A
+
sin
4
A
\sin^2 A + \sin^4 A
sin
2
A
+
sin
4
A
.
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