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Direct linkHabre, Samer – International Journal of Mathematical Education in Science and Technology, 2017
Covariational reasoning has been the focus of many studies but only a few looked into this reasoning in the polar coordinate system. In fact, research on student's familiarity with polar coordinates and graphing in the polar coordinate system is scarce. This paper examines the challenges that students face when plotting polar curves using the…
Descriptors: Mathematics Achievement, Mathematics Activities, Problem Solving, Geometry
Peer reviewedSearl, John – Mathematics in School, 1998
Presents an activity which focuses on the graph of sine and cosine functions and other properties that can easily be inferred from the graph. (ASK)
Descriptors: Functions (Mathematics), Graphs, Mathematics Activities, Mathematics Instruction
Peer reviewedPeterson, Blake E.; Averbeck, Patrick; Baker, Lynanna – Mathematics Teacher, 1998
Describes an activity for making the connection between triangle ratios and graphs of circular functions which helps middle school students understand the concept of a sine curve. (ASK)
Descriptors: Functions (Mathematics), Geometric Concepts, Graphs, Intermediate Grades
