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April 21, 2015

April 21, 2015

Posted by **Carter** on Sunday, February 26, 2012 at 6:07pm.

(tan^2X)/(1-cos^2x)= sec^2x

HELP

- Math -
**Reiny**, Sunday, February 26, 2012 at 7:55pmLS = tan^2 x/(sin^2 x)

= (sin^2 x)/cos^2 x) ( sin^2 x)

= 1/cos^2 x

= sec^2 x

= RS

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