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Mathematics
Mathematics
Problem
Determine the value of
lim
x
→
0
1
−
cos
(
4
x
)
x
2
\displaystyle\lim_{x\to 0}\frac{1-\cos(4x)}{x^{2}}
x
→
0
lim
x
2
1
−
cos
(
4
x
)
.
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