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Direct linkV. I. Romanenko; A. V. Romanenko – International Journal of Mathematical Education in Science and Technology, 2025
We present a method to compute the power series expansions of e[superscript x] ln (1 + x), sin x, and cos x without relying on mathematical analysis. Using the properties of elementary functions, we determine the coefficients of each series through the method of undetermined coefficients. We have validated our formulae through the use of…
Descriptors: Mathematics, Computation, Mathematical Formulas, Numbers
Jeffrey P. Smith – Mathematics Teacher: Learning and Teaching PK-12, 2023
A group of eighth-graders was presented with a two-day lab exploring graph theory as an enrichment experience. With the school's winter break looming, students were weary of solving linear equations, and this topic was intended to inject some new life into the classroom. In addition to learning about a completely new topic, they would be exposed…
Descriptors: Grade 8, Mathematics Education, Graphs, Validity
