Use Eulers formula to prove the following formulas for cos x and sin x: cos x =

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Use Euler’s formula to prove the following formulas for cos x and sin x:

cos x = e^ix + e^-ix/2
sin x = e^ix - e^ix/2i

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Calculus Early Transcendentals

ISBN: 978-1285741550

8th edition

Authors: James Stewart

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Question Posted: Oct 11, 2022 05:23 AM

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Use Eulers formula to prove the following formulas for cos x and sin x: cos x =

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We have to show that cosx e ix e ix 2 As we know e ix cosx isinx i e ix cos...View the full answer

Calculus Early Transcendentals

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