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Mathematics
Mathematics
Problem
Evaluate
lim
x
→
0
1
−
cos
(
5
x
)
x
2
\displaystyle \lim_{x \to 0} \dfrac{1-\cos(5x)}{x^{2}}
x
→
0
lim
x
2
1
−
cos
(
5
x
)
. a)
5
2
\dfrac{5}{2}
2
5
b)
1
2
\dfrac{1}{2}
2
1
c)
25
2
\dfrac{25}{2}
2
25
d)
25
25
25
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