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Opstellen sinuoide via regressie

Author: Jan Elemans

Topic:  Mathematics

Tags: Sine

Bepaal functie van f(x)=a+bsin(c(x-d)) uit data of uit samengestelde functie.

A Lunar Ellipse

Author: Ian Galloway

Topic:  STEM

Tags: 3D Geometry, Coding, Algebra, Randomness, Angles, STEM, Area, T3, Ellipse, TI-Innovator, Frequency, Modelling, Physics, Sine

Students consider the question "What is the shape of the curve forming the terminator of the crescent moon?" They then calculate the area of the crescent and graph its variation over one m…