Robert; Halliday, David; Krane, Kenneth S | The Two-Year College Mathematics Journal |
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Abramowitz, Milton and Irene A | A History of Mathematics Second ed |
United States National Bureau of 1952 | Romuald Ireneus 'Scibor-Marchocki, , Elementary-Geometry Trigonometry web page 1997 |
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Max; Association, Research and Education 1984-01-01 | Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables |