Please help!

How would one go about integrating

sec(x)dx

using a substitution??

Please go through all the steps required

Thanks

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- Aug 4th 2008, 02:19 AMGigabyteHelp Integrating Trig functions
Please help!

How would one go about integrating

sec(x)dx

using a substitution??

Please go through all the steps required

Thanks - Aug 4th 2008, 02:26 AMmr fantastic
There's the simple but unobvious approach. Read this: Integral sec(x)

Then there's the more routine but tedious approach that involves the Weiestrass substitution. Read this: PlanetMath: Weierstrass substitution formulas - Feb 28th 2009, 10:00 AMKrizalid