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anonymous
 3 years ago
Help with following integral
anonymous
 3 years ago
Help with following integral

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0\[\int\limits_{0}^{\pi/2} e ^{sint}cost dt\]

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0sin t* I can't seem to figure out what to use. everytime I get e I get lost x.x

RadEn
 3 years ago
Best ResponseYou've already chosen the best response.1use integral by usub let u = sint du = cost dt

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0but then I get stuck with \[e ^{u}\] wouldn't that require integration by part?

RadEn
 3 years ago
Best ResponseYou've already chosen the best response.1just still it self int e^u = e^u

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Oh only e^2u would require by part? ( question by curiosity)

RadEn
 3 years ago
Best ResponseYou've already chosen the best response.1e^u not e^2u now, subtitute back that u = sint so, it is [e^(sint)]

RadEn
 3 years ago
Best ResponseYou've already chosen the best response.1the rest is calculation difference of limits, can u ? you're welcome :)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Yeah I can I get confuse with e. I know sometimes it requires integration by part but this one was a simple case. Thanks a lot though helped me understand a bit more!
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