[EText TextNormal "And this shows a combination with a background image at a desired opacity\160",EGrouped [ESub (EIdentifier "Z") (EIdentifier "\945"),EDelimited "(" ")" [Right (EIdentifier "f")],ESymbol Rel "=",EFraction NormalFrac (ENumber "1") (EGrouped [ENumber "2",EIdentifier "i",ESymbol Ord "\8201",EMathOperator "cos",EDelimited "(" ")" [Right (EFraction NormalFrac (EGrouped [EIdentifier "\945",EIdentifier "\960"]) (ENumber "2"))]]),EGrouped [ESub (ESymbol Op "\8747") (EIdentifier "C"),EFraction NormalFrac (EGrouped [EIdentifier "f",ESymbol Open "(",EIdentifier "i",EIdentifier "z",ESymbol Close ")",ESuper (EDelimited "(" ")" [Right (ESymbol Bin "-"),Right (EIdentifier "z")]) (EIdentifier "\945")]) (EGrouped [ESuper (EIdentifier "e") (EGrouped [ENumber "2",EIdentifier "\960",EIdentifier "z"]),ESymbol Bin "-",ENumber "1"])],ESymbol Ord "\8518",EIdentifier "z"]]
