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OpenStudy (anonymous):
cos^2(x)tan(x)sec(x)=
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OpenStudy (psymon):
what are we supposed to do with it?
OpenStudy (anonymous):
simplify
OpenStudy (psymon):
Well, tan(x) = sin(x)/cos(x) and sec(x) = 1/cos(x). If you make those substitutions it should come out for ya just fine : )
OpenStudy (anonymous):
sin(x)?
OpenStudy (psymon):
Exactly :3
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