or you could write tan(X) as sin(X)/cos(X) and then you get limit as X approaches 0 of cos(X) which is 1
@mathsolutions979323 күн бұрын
@@michas.2240 yes you're absolutely right, that video is within a demonstration on how to solve limits using L'Hopital rule. There are many ways to solve these types of questions. Thank you for your comment.