But cos(90°) = 0 too, unless they thought to check for one case but they did che... | Hacker News

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		gpm on Jan 8, 2020 \| parent \| context \| favorite \| on: Blackout Bug: Boeing 737 cockpit screens go blank ... But cos(90°) = 0 too, unless they thought to check for one case but they did check for the other, or something more complex is happening.

jperras on Jan 8, 2020 [–]

I mean, it's probably more complex than what I postulated.

It was just the first thing that came to mind, since 270° is zero in a few trigonometric functions/identities.

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