Sal solves a word problem about the annual change in temperature by solving a sinusoidal equation.
Inverse trig word problems is a free educational video by Khan Academy.It helps students in grades 9,10,11,12 practice the following standards HSF.TF.B.7.
1. HSF.TF.B.7 : Use inverse functions to solve trigonometric equations that arise in modeling contexts; evaluate the solutions using technology, and interpret them in terms of the context..
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