Show that (z e i )(z e i ) z 2 2zcos 1 ...

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Show that (z - e i )(z e -i ) = z 2 - 2zcos

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Show that (z - e^iθ)(z – e^-iθ) = z² - 2zcos θ + 1.

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Cambridge International AS & A Level Further Mathematics Coursebook

ISBN: 9781108403375

1st Edition

Authors: Lee Mckelvey, Martin Crozier

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Question Posted: Oct 15, 2021 01:00 AM

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Show that (z - e i )(z e -i ) = z 2 - 2zcos

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Cambridge International AS & A Level Further Mathematics Coursebook

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