A Beautiful Result | Last Question from the Irish Olympiad | Maths Olympiad Training | Summation

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Описание к видео A Beautiful Result | Last Question from the Irish Olympiad | Maths Olympiad Training | Summation

This problem comes from the 1988 Irish matha Olympiad paper 1.

Proof of sum cos(kx):    • Proof of Sum Cos(kx) | Two Methods

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Maths videos by Giuliano Grasso - mathematics graduate from the University of East Anglia.

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