Let z cos isin Show that By considering (1 z) n , where n is a positive integer, deduce the sum of the series 1 z 2cos 0 cos 0 isin 0...

There are i dentities cos12cos1212cos cos0 and cos12sin1212sinsin0 Hence 2cos12cos12cos1 and 2icos ...

Let z = cos + isin . Show that By considering (1 + z) n ,

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Let z = cos θ + isin θ. Show that

By considering (1 + z)ⁿ, where n is a positive integer, deduce the sum of the series

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Cambridge International AS & A Level Further Mathematics Coursebook

ISBN: 9781108403375

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Authors: Lee Mckelvey, Martin Crozier

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Let z = cos + isin . Show that By considering (1 + z) n ,

Question:

1+z = 2cos-0 cos -0 + isin-0

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There are i dentities cos12cos1212cos cos0 and cos12sin1212sinsin0 Hence 2cos12cos12cos1 and 2icos...View the full answer

Cambridge International AS & A Level Further Mathematics Coursebook

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