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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 ...

Two US college students discovered five new proofs of Pythagoras' theorem using trigonometry, expanding the theorem's understanding in a published study. In an remarkable academic achievement, two US ...

The Monthly publishes articles, as well as notes and other features, about mathematics and the profession. Its readers span a broad spectrum of mathematical interests, and include professional ...