Question

lim
A_0 (1-cosA+sinA)/(1-cosA-sinA)
if u r familiar and grown more up with limits please help me to get the answer

Answer 1

As A approaches zero, both the numerator and denominator approach zero individually, so you can apply L'Hopital's rule here.

Answer 2

can you please explain me the L'Hopital's rule
if you are

Answer 3

Look, you can treat numerator and denominator as two functions: \[1 - \cos a + \sin a\] and \[1 - \cos a - \sin a\] If you look here: http://en.wikipedia.org/wiki/L'H%C3%B4pital's_rule, you'll discover that we can compute limit by computing derivatives of numerator and denominator first.

Answer 4

thanks alot