Home›Books›Paul A. FoersterPaul A. FoersterPaul Foerster is a mathematics teacher in San Antonio, Texas, USA.Works (9)Algebra and Trigonometry1980Algebra 101999Precalculus with TrigonometryJune 1987Algebra I1984TrigonometryTrigonometry1984PrecalculusInstructor's commentary and solutions for ... Trigonometry, functions and applications (Addison-Wesley innovative series)1977Calculus