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Algebra 8 Online
OpenStudy (anonymous):

(secx+tanx)(secx-tanx)=1

OpenStudy (cwrw238):

expanding sex^2x - tan^2x = 1 now use the identity sec^2x = 1 + tan^2x to get an equation in tans

OpenStudy (cwrw238):

* tanx

OpenStudy (cwrw238):

lol sec^2 x not sex^2 x!!!

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