How to find amplitude and period

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How to Determine the Amplitude & Period of a Sine Function

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Amplitude describes the distance from the middle of a periodic function to its local maximum. covers the range from -1 to 1. Thus, it covers a distance of 2 vertically. Half of this, or 1, gives
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How do you find the amplitude and period of a function y

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Amplitude & period of sinusoidal functions from equation (video)

amplitude A = 2 period 2π/B = 2π/4 = π/2 phase shift = −0.5 (or 0.5 to the right) vertical shift D = 3 In words: the 2 tells us it will be 2 times taller than usual, so Amplitude = 2 the usual period is 2

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