Question Number 113975 by I want to learn more last updated on 16/Sep/20

Find the nth term: 1, 0, − 1, 0, 1, 0, − 1, 0, ...

Answered by Olaf last updated on 16/Sep/20

u_n = cos(n(π/2))

Commented byI want to learn more last updated on 17/Sep/20

Please workings sir