Make up a table with columns headed by values of kx running from x = -/2 to

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Make up a table with columns headed by values of kx running from x = -λ/2 to x = +λ in intervals of x of λ/4. In each column place the corresponding values of cos kx and beneath that the values of cos (kx + π). Next plot the three functions cos kx, cos (kx + π), and cos kx + cos (kx + π).

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Optics

ISBN: 978-0133977226

5th edition

Authors: Eugene Hecht

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