ROUNDUP Cooke	Completes	Purchase  
m Tribune Co. announced yesterday it has completed the sale of the 150,000-circulation Los Angeles Daily News to Washington Redskins owner Jack Kent Cooke for $176 million.</br></br>ÛÏIt surely is not difficult to imagine how pleased I am at my good fortune in acquiring the Daily News,Û Cooke said when the sales agreement was announced.</br></br>Tribune Co., whose holdings include the Chicago Tribune and the Chicago Cubs, had announced the agreement Dec. 10, saying it expected the deal to be completed in the first quarter of 1986. The company plans to use proceeds from the sale to reduce debt incurred to finance the purchase of KTLA-TV in Los Angeles and other business development.</br></br>Tribune Co. sold the Daily News as a condition of its acquisition of KTLA. Federal regulations prohibit an individual or company from owning a newspaper and television station in the same market.</br></br>CookeÛªs organization owns New York CityÛªs Chrysler Building and a Lexington, Ky., thoroughbred racing farm.