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August 28, 2015
Posted by **Hannah** on Friday, January 15, 2010 at 5:23pm.

(a) sec o = 2

(b) sec 0 = -2

- math(please help) -
**Marth**, Friday, January 15, 2010 at 5:56pmsec(x) = 1/cos(x). So all you need to do is find where cos(x) = 1/2 or 1/(-2).