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OpenStudy (marmar10):
Help! prove 1+sec^2 x/tanx = 1+cos^2 x/sinxcosx
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OpenStudy (anonymous):
change sec^2x to 1/cos^2x
OpenStudy (anonymous):
and tanx to sinx/cosx
OpenStudy (marmar10):
ok im not exactly sure what to do after that though
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