About: http://webisa.webdatacommons.org/374071309

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	and identities, trigonometric form of complex numbers, vectors, and other applications.
http://www.w3.org/ns/prov#wasQuotedFrom	archive.org