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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	Question 1) show that the total distance covered in the race, d=200(secY+secZ) and prove that Y and Z are also related by the equation tanY+tanZ=K, where 'K' is a constant.
http://www.w3.org/ns/prov#wasQuotedFrom	mathhelpforum.com