About: http://webisa.webdatacommons.org/170563111

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The answer is p(t)=cos^2(nx/2) where n is an integer and x is the angle.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com