Algebra two with circular functions /

por Vannatta, Glen D., Vannatta, Glen D., Goodwin, Wilson W., Crosswhite, Joe J.
Publicado 1970

Merril mathematics /

por Buffington, Audrey V., Buffington, Audrey V., Graening, Jay, Mahaffey, Michael, Stoeckinger, John H., Garr, Alice R., Halloran, Philip P., O'Neal, Mary A., Vannatta, Glen D.
Publicado 1985