calculus
posted by franko .
limit of sin x / 2x squared  x as x approaches 0

calculus 
Reiny
You probably meant
Lim (sinx/(2x^2  x) as x> 0
then ....
= lim sinx/(x(2x1)
= lim (sinx/x) (1/(2x1) as x > 0
= (1)(1/(01)
= 1
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