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Find-the-nth-term-1-0-1-0-1-0-1-0-




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,  ...
$$\mathrm{Find}\:\mathrm{the}\:\mathrm{nth}\:\mathrm{term}:\:\:\:\mathrm{1},\:\:\mathrm{0},\:\:−\:\mathrm{1},\:\:\mathrm{0},\:\:\mathrm{1},\:\:\mathrm{0},\:\:−\:\mathrm{1},\:\:\mathrm{0},\:\:… \\ $$
Answered by Olaf last updated on 16/Sep/20
u_n  = cos(n(π/2))
$${u}_{{n}} \:=\:\mathrm{cos}\left({n}\frac{\pi}{\mathrm{2}}\right) \\ $$
Commented by I want to learn more last updated on 17/Sep/20
Please workings sir
$$\mathrm{Please}\:\mathrm{workings}\:\mathrm{sir} \\ $$

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