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amyna
 one year ago
integration problem. I will draw it on the board.
Please help!!
I just don't understand how to get the other interval since its an absolute value problem everything else i understand! THANKS
amyna
 one year ago
integration problem. I will draw it on the board. Please help!! I just don't understand how to get the other interval since its an absolute value problem everything else i understand! THANKS

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amyna
 one year ago
Best ResponseYou've already chosen the best response.0like what would the next interval be after pi and pi over 2??

phi
 one year ago
Best ResponseYou've already chosen the best response.0cos is >=0 from pi/2 to pi/2 so you can drop the   for that inteval for pi/2 to pi cos is neg, so drop the   and put in a 1 i.e. \[ \int_{\frac{\pi}{2}}^\pi  \cos x \ dx \]

amistre64
 one year ago
Best ResponseYou've already chosen the best response.0dw:1437337222962:dw due to its symmetry, the interval in question is just 3, times the integral of cos(x) from 0 to pi/2
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