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Mathematics 7 Online
OpenStudy (kj4uts):

How many possible values for y are there where y = cos^-1 0? Please explain. Thank you!

OpenStudy (kj4uts):

OpenStudy (kohai):

Here, look at this http://openstudy.com/study#/updates/4f87a4d1e4b0505bf0871484

OpenStudy (kj4uts):

@kohai thanks but one person said infinite the other said the answer is 1?

OpenStudy (kohai):

Satellite is very rarely wrong, I would trust his reasoning

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