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Mathematics 9 Online
OpenStudy (superdavesuper):

Not-so-simple trig question - we had a long discussion with no conclusion. I think my answer was right (of course! ;) but would like to hear others' opinions. Original post was here: http://openstudy.com/study#/updates/52e30c07e4b05aea18eb4509 Thank you in advance!

OpenStudy (anonymous):

Undefined since arcsec(x) only has real values where x >=+-1 right?

OpenStudy (superdavesuper):

@Rouault go join the party at the original post :)

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