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integral of sec(x) and integration by parts. (1 Viewer)

tommykins

tommykins

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multiply by (secx+tanx)/(sec+tanx) and u get an integral that leads to ln

xsecxtanx

u = x
u' = 1
v' = secxtanx
v = secx
 
thongetsu

thongetsu

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omg it is tim!
RAWR! I HATE MUSLIMS!
 
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