Calculus, Single Variable: Early Transcendentals (3rd Edition)
Calculus, Single Variable: Early Transcendentals (3rd Edition)
3rd Edition
ISBN: 9780134766850
Author: William L. Briggs, Lyle Cochran, Bernard Gillett, Eric Schulz
Publisher: PEARSON
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Chapter C, Problem 59E
To determine

To prove: The equalities cosx=eix+eix2 and sinx=eixeix2i.

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