Question

find the limit as x approaches 0 of 4x cosx/sin x

Answer 1

\[4\lim_{x \rightarrow 0} \frac{ x }{ \sin x } * \lim_{x \rightarrow0} \cos x\]

Answer 2

does that help?

Answer 3

Kind of but then you plub in 0 for x and cos x cancels out?

Answer 4

remember learning about the limit of
(sin(x))/x
as x->0

Answer 5

no i didnt learn much about trig functions

Answer 6

http://tutorial.math.lamar.edu/Classes/CalcI/DiffTrigFcns.aspx