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Mathematics 7 Online
OpenStudy (anonymous):

find the integral of sec(x)

OpenStudy (callisto):

\[\int secx dx = \int secx \times \frac{secx+tanx}{secx+tanx}dx\]\[=\int \frac{sec^2x+secxtanx}{secx+tanx}dx = \int \frac{1}{secx+tanx}d(secx+tanx)\]\[= \ln |secx+tanx| +c\]

OpenStudy (anonymous):

thnx......

OpenStudy (callisto):

Welcome ,do you understand that?

OpenStudy (anonymous):

no thnx

OpenStudy (callisto):

Which part you don't understand?

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