About: http://webisa.webdatacommons.org/312670802

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 Cosine Rule is a very real world sort of application, where you might be able to measure the length of the three sides of a triangle, but cannot accurately measure the angles.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com