Friends | stationzrozro59: Y=SIN(X), Y'=COS(X), Y''=-SIN(X), Y'''=-COS(X), Y''''=SIN(X) 10 years ago • Reply • Report • Link Collapse Show Comments (1) 0 Nicorrette: I see no relation Y PRIME than second y and so on sin and cos and then log ! 10 years ago • Reply • Report 0 |