About: http://webisa.webdatacommons.org/245304448

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	Use what you know about trigonometric ratios to show that this equation is an identity.
http://www.w3.org/ns/prov#wasQuotedFrom	openstudy.com