What is the pattern of the given sequence
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What is the pattern of the given sequence

[From: ] [author: ] [Date: 11-11-27] [Hit: ]
......
What is the formula for the nth term of this sequence:

1 0 -1 0 1 0 -1 0 1 0 -1....

Thanks!

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sin(n*90) is the only one that would fluctuate like that, hope that helps

EDIT: cos((n-1)*90) would have the same result

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pls put comma between terms
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