do you know that sin x ---> x as x --->0 ?
if not I will show below
given that sin x --> x
we have
3x/x = 3
=====================
series for sin x
sin x = x - x^3/3! + x^5/5! ....
as x --0
sin x --> x - much smaller stuff
(2x + sin x)/x
What is the limit as x approaches zero?
1 answer