For what values of k is lim x -> INF coshkx/sin2x finite?
(Enter your answer as an interval or list of intervals, for example, (-infinity,3], (5,7). Enter none if no values of k will work.)
Please help..
(Enter your answer as an interval or list of intervals, for example, (-infinity,3], (5,7). Enter none if no values of k will work.)
Please help..