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January 28, 2015

January 28, 2015

Posted by **Joe** on Saturday, June 30, 2012 at 7:48am.

(sinx-cosx)^2=1-sin(2x)

- pre cal -
**Reiny**, Saturday, June 30, 2012 at 8:40amLS = sin^2 x - 2sinxcosx + cos^2 x

= 1 - sin (2x)

= RS

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