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Mathematics
Problem
Identify the indeterminate form that results when evaluating
x
sin
(
2
x
)
1
−
cos
(
2
x
)
\frac{x\sin(2x)}{1-\cos(2x)}
1
−
cos
(
2
x
)
x
sin
(
2
x
)
as
x
→
0
x\to 0
x
→
0
.
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