Olandoski - Plane Analytical Geometry High School - New paperback or - X555z

Olandoski - Basic Geometry Plane Geometry - New paperback or softback - X555z

Olandoski - Trigonometra Educacin Secundaria - New paperback or sof - X555z

Kumar - TRICKS OF TRIGONOMETRY - New paperback or softback - X555z

Dresden - Plane Trigonometry - New paperback or softback - 27 - X555z

I. Todhunter - Spherical Trigonometry - New paperback or softback - 03 - X555z

Murray - Elements of Plane Trigonometry - New paperback or softback - - X555z

Borchardt - A New Trigonometry for Schools - New paperback or softback - X555z