Plane trigonometry - Carpio, Joy N.; Guillermo, Jaymie M. (Manila Rex Book Store, 2014)
Chapter I: Angles: basic concepts -- Chapter II: Trigononmetry ratios -- Chapter III. Trigonometry functions of special angles -- Chapter IV:Inverse trigonometry function -- Chapter V: Right triangle and its applications -- Chapter VI: Oblique triangles -- Chapter VII: Trigonometry identities -- Chapter VIII: Graphs of trigonometry functions -- Chapter IX: Logarithmic and exponential functions.
Bibliography : page 147.
Keywords: Trigonometry,plane