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Mathematics 9 Online
OpenStudy (anonymous):

express secx in terms of tanx

OpenStudy (mathteacher1729):

Did my reply come through the first time you asked this?

OpenStudy (anonymous):

i didn't see your final answer

OpenStudy (anonymous):

if you forget how to do this always start with \[sin^2(x)+cos^2(x)=1\]

OpenStudy (anonymous):

to get tangent divide by \[cos^2(x)\] to get \[tan^2(x)+1=sec^2(x)\]

OpenStudy (anonymous):

if you want to solve for secant write \[sec(x)=\pm\sqrt{tan^2(x)+1}\]

OpenStudy (anonymous):

dont forget the plus or minus, because without further information you cannot know which

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