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OpenStudy (anonymous):
what is the exact value of sec (-210) what is the exact value of sec (-210) @Mathematics
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OpenStudy (agreene):
-2/sqrt3
OpenStudy (agreene):
assuming that is in degrees.
OpenStudy (anonymous):
|dw:1319753252684:dw| then you'd find the cos of it. Next, simply flip the fraction!
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