SYDNEY, Sept. 16 (UPI) -- An Australian professor says he has devised a new system to study the measurement of triangles without calculators or trigonometric tables. Norman Wildberger of New South ...
HAMDEN -- With this teacher, trigonometry is as easy as one, two, three, four, five. Since 2002, students who have taken Kathryn Gniadek's advanced mathematics classes at Sacred Heart Academy have ...
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