Respuesta :
Based on the sentence provided above the appositive phrase is "originator of trigonometry". An appositive is a noun or noun phrase that renames another noun right beside it. The appositive can be a short or long combination of words. Hope it helps.
Hipparchus, originator of trigonometry, began measuring distances between celestial bodies in the 2nd century BCE.
Identify the appositive phrase.
A.Hipparchus
B.originator of trigonometry
C.in the 2nd century BCE
D.celestial bodies
The right answer is B.Originatior of trigonometry