Question

Lim 1- cos(4x)/sin (2x)
x>0(X tends to 0)

Answer 1

its 0

Answer 2

yes, I see that but I am just wondering whether to just plug x=0 into the expression or is there an intermidiate step where we have to simplify or ...............

Answer 3

first consider the function
[1- cos(4x)]/sin (2x)= [1-cos^2 2x +sin^2 2x]/sin2x
=2sin^ 2x/sin 2x
= 2 sin 2x
now apply the limits, you will be getting 0

Answer 4

!!!!!!!!!!!!!GOT IT !!!!!!!!!!!!!!!!!

Answer 5

do u know lhopitals rule?