Trigonometryde Michael SullivanEdiciones (2)Trigonometry (2011)Pearson · ISBN 9780321717108Trigonometry (2001)Prentice Hall College Div · ISBN 9780130939296Más obras de Michael SullivanAlgebra y TrigonometriaEscapade Johnson and the Coffee Shop of the Living DeadEscapade Johnson and the witches of Belknap County