btaylor5472 btaylor5472

30-07-2017
Mathematics

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Write a cosine equation with period 8 and amplitude 2

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zolowski zolowski

31-07-2017

Standard Equation for trig function: y = A cos (B (x - H))+ K
*Here, we are just dealing with A (amplitude) and B (period)
Period = 2π/ b

8 = 2π/ b
Solve for b: 2π/8 or π/4

Equation: y = 2 cos (π/4 (x))

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