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Mathematics
Mathematics
Problem
In Exercises 73-78, confirm the identity. 75.
sin
6
x
+
cos
6
x
=
1
−
3
sin
2
x
cos
2
x
\sin ^{6} x+\cos ^{6} x=1-3 \sin ^{2} x \cos ^{2} x
sin
6
x
+
cos
6
x
=
1
−
3
sin
2
x
cos
2
x
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