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Problem
Problem
Find all value of
α
\alpha
α
for which the equation
sin
4
x
+
cos
4
x
+
sin
2
x
+
α
=
0
\sin^4 x + \cos^4 x + \sin 2x + \alpha = 0
sin
4
x
+
cos
4
x
+
sin
2
x
+
α
=
0
is valid. Also, find the general solution of the equation.
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