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Trig help: y = 20sin(0.5θ - 2) + 40?
I'm stuck in need help with the below problem. That's all the info for this question given and I'm lost. Thanks
If y = 20sin(0.5θ - 2) + 40 models the monthly temp for a certain city.
Use the equation to predict the temperature in the city during December.
1 Answer
- ?Lv 78 years agoFavorite Answer
y = 20sin(0.5θ - 2) + 40
I presume θ is the month in number form. Then the average temperature in the city during December will be
y = 20sin(0.5*12 - 2) + 40
≈ 41.4º
