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July 29, 2015

July 29, 2015

Posted by **joe** on Friday, February 8, 2013 at 12:51pm.

- math-trig -
**Steve**, Friday, February 8, 2013 at 2:31pmsec^2(t) = 1+tan^2(t)

That help?

If not, add some parentheses so we know just what is being discussed.