Question

What is the limit of (1-cos x )/x as x approaches 0 ?

Answer 1

its 0/0 form apply l' hospital rule........

Answer 2

????

Answer 3

I didn't get up to l' hospital rule, but the question should be able to be answered with it. Does the limit exist?

Answer 4

without it*

Answer 5

means you are not to use the rule........is it???????

Answer 6

yes

Answer 7

use the expansion of cosx whic is::

\[cosx=1+x ^{2}/2!+x ^{4}/4!+........\]

Answer 8

@Compgroupmail

do u know what is lim t -->0 (sin t)/t ?

Answer 9

@mukushla it seems the limit does not exist.

Answer 10

no the limit exists i think ;