April 1, 2015

Homework Help: Precalculus

Posted by Kaleen on Saturday, March 10, 2012 at 9:17pm.

Use one of the identities
cos(t + 2πk) = cos t or sin(t + 2πk) = sin t
to evaluate each expression. (Enter your answers in exact form.)






sec(π/6+ 2π)

csc(2π − 2π/3)

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