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OpenStudy (anonymous):
what is the integral of tan^2 xdx?
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OpenStudy (anonymous):
\[\int\limits \tan^2 xdx\]
OpenStudy (amistre64):
since tan^2 = sec^2-1 than might be easier to compute
OpenStudy (anonymous):
ow right! i'm so stupid. i kept wondering how come the integral of tan^x dx is tanx-1. thank you so much! :)
OpenStudy (amistre64):
\[\int sec^2(x)\ dx-\int 1\ dx\]
OpenStudy (amistre64):
youre welcome
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OpenStudy (anonymous):
tanx-x **
OpenStudy (amistre64):
yep, +C
OpenStudy (anonymous):
right.:D
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