Sal solves a word problem about the annual change in temperature by modeling it with a sinusoidal function.
Modeling with periodic functions is a free educational video by Khan Academy.It helps students in grades 9,10,11,12 practice the following standards HSF.TF.B.5.
1. HSF.TF.B.5 : Choose trigonometric functions to model periodic phenomena with specified amplitude, frequency, and midline..
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