Trigonometriya

An Trigonometriya o Trigonometri  (tikang ha Griniyego nga trigōnon "triangulo" + metron "pagsukol") amo an usa nga sanga han matematika nga nanginginlabot ha mga triangulo labi na an mga triangulo nga plano (plane triangle) nga it usa ka angulo mayda 90 degri.

Pinanbasaran

Bibliograpiya

Christopher M. Linton (2004). From Eudoxus to Einstein: A History of Mathematical Astronomy . Cambridge University Press.

Mga sumpay ha gawas 

 Khan Academy: Trigonometry, free online micro lectures
 Trigonometry  by Alfred Monroe Kenyon and Louis Ingold, The Macmillan Company, 1914. In images, full text presented.
 Benjamin Banneker's Trigonometry Puzzle at Convergence
 Dave's Short Course in Trigonometry by David Joyce of Clark University
Trigonometry, by Michael Corral, Covers elementary trigonometry, Distributed under GNU Free Documentation License 

Matematika