Trigonometry: Notes, Problems And Exercises by Roger Delbourgo NEUF
38,12 €
The greater value is on subjects not appearing in many introductory texts such as Ptolemy's Theorem, Napoleon Circles, and pedal triangles.". Especially, the author reminds readers of the historical importance of theorems enunciated by such contributors as Ptolemy, Euler, Morley, etc.
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