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Problem
Problem
Find all values between
0
0
0
and
π
\pi
π
which satisfies the equation
sin
8
x
+
cos
8
x
=
17
16
cos
2
2
x
\sin^8 x + \cos^8 x = \frac{17}{16} \cos^2 2x
sin
8
x
+
cos
8
x
=
16
17
cos
2
2
x
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