For the following exercises, use a graph to determine whether the functions are the same or different.

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For the following exercises, use a graph to determine whether the functions are the same or different. If they are the same, show why. If they are different, replace the second function with one that is identical to the first.

f(θ) = cos(2θ), g(θ) = cos2 θ − sin2 θ

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Precalculus

ISBN: 9781938168345

1st Edition

Authors: Jay Abramson

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