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Mathematics 25 Online
OpenStudy (anonymous):

Show that g(x) = cscx is a function.

OpenStudy (anonymous):

Do you know vertical line test?

OpenStudy (anonymous):

yeah i do but is there another way?

OpenStudy (anonymous):

I would say it is pretty obvious that cosec x is a function it is one one as one value of x gives only one value of cosec(x)

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