Find the limit or indicate that it does not exist. 4 lim sin ?t it cost it tan 6 t k t-IL . . . Select the correct choice below and, if necessary, fill in the answer box in your choice. O A. lim sin at it cos at it tan ot k = ( Dit k t- ICL (Type an exact answer, using it and radicals as needed.) O B. The limit does not exist and is not co or - co