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Mathematics 13 Online
OpenStudy (anonymous):

What is the secant theta of 90 degrees?

OpenStudy (tkhunny):

That question makes no sense at all. Do you mean \(\sec{90º}\)? Since \(\cos(90º) = 0\), this narrows down the choices for the secant.

OpenStudy (isaiah.feynman):

Secant of 90 degrees is undefined!

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