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Mathematics
Mathematics
Problem
Simplify
1
−
cos
4
x
sin
2
x
cos
2
x
\displaystyle \frac{1-\cos^{4}x}{\sin^{2}x\,\cos^{2}x}
sin
2
x
cos
2
x
1
−
cos
4
x
to its simplest form.
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