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21-05-2022
Mathematics

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Write a cosine function that has a midline of 2, an amplitude of 4 and a period of pi/2.

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21-05-2022

y = Acos(Bx) + D;

D = 4, A = 2. Now T = 2π/B = 5π/8, B = 2π/(5π/8) = 16/5

WE get y = 2cos(16/5x) + 4

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