Sunday
December 21, 2014

Homework Help: Pre Cal

Posted by Angela on Sunday, July 24, 2011 at 6:39pm.

which of the expressions are identical?
a) cos^2x
b)(cosx)^2
c) cos (x^2)
d) (sinx)^-1
E) sin^-1 x
f) sin (x^-1)
g) 1/ sin x

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