(a) Use the Product-to-Sum Formulas to express product as a sum, (b) Use the method of adding...

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(a) Use the Product-to-Sum Formulas to express product as a sum,

(b) Use the method of adding y-coordinates to graph the function on the interval [0, 2π].

G(x) = cos(4x) cos (2x)

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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