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Marrero, Osvaldo – College Mathematics Journal, 2013
Seasonality analyses are important in medical research. If the incidence of a disease shows a seasonal pattern, then an environmental factor must be considered in its etiology. We discuss a method for the simultaneous analysis of seasonal variation in multiple groups. The nuts and bolts are explained using simple trigonometry, an elementary…
Descriptors: College Mathematics, Mathematics Instruction, Epidemiology, Diseases
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Wongapiwatkul, Pimpalak; Laosinchai, Parames; Panijpan, Bhinyo – Australian Senior Mathematics Journal, 2011
Trigonometry is an integral part of the draft for the Senior Secondary Australian National Curriculum for Mathematics, as it is a topic in Unit 2 of both Specialist Mathematics and Mathematics Methods, and a reviewing topic in Unit 1, Topic 3: Measurement and Geometry of General Mathematics. However, learning trigonometric ideas is difficult for…
Descriptors: National Curriculum, Visual Aids, Trigonometry, Geometry
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Mathematics Teacher, 1987
Two teachers share practical tips for teaching secondary school mathematics. The tips focus on effective use of homework and teaching trigonometric concepts. (PK)
Descriptors: Calculators, Classroom Communication, Homework, Manipulative Materials