How to express a sequence with such first terms: 1, 0, -1, 0, 1, 0, -1?

A

Andrew2016-09-22 23:14:44

Mathematics

Andrew, 2016-09-22 23:14:44

The first terms of the sequence: 1, 0, -1, 0, 1, 0, -1
How to express its common term?

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1 answer(s)

V

Vasily, 2016-09-22
@KotTyhan

sin(n*pi/2)

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