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Mathematics
Problem
Explain, in one concise sentence, why
lim
x
→
0
sin
(
7
x
)
sin
(
5
x
)
=
7
5
,
\lim_{x\to 0}\frac{\sin(7x)}{\sin(5x)}=\frac{7}{5},
x
→
0
lim
sin
(
5
x
)
sin
(
7
x
)
=
5
7
,
and state the value of the limit.
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