Two composite functions are given that look similar, but in fact are quite different. Identify the inner

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Two composite functions are given that look similar, but in fact are quite different. Identify the inner function u = g(x) and the outer function y = f(u); then evaluate dy/dx using the Chain Rule.

a. y = cos3 x

b. y = cos x3

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Calculus Early Transcendentals

ISBN: 978-0321947345

2nd edition

Authors: William L. Briggs, Lyle Cochran, Bernard Gillett

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