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Mathematics
Mathematics
Problem
Evaluate
lim
x
→
0
1
−
cos
x
x
2
⋅
tan
x
x
\displaystyle\lim_{x\to 0}\sqrt{\frac{1-\cos x}{x^{2}}}\,\cdot\,\frac{\tan x}{x}
x
→
0
lim
x
2
1
−
cos
x
⋅
x
tan
x
. a)
1
2
\dfrac{1}{2}
2
1
b)
2
\sqrt{2}
2
c)
1
2
\dfrac{1}{\sqrt{2}}
2
1
d)
0
0
0
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