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OpenStudy (babyslapmafro):
Please help me evaluate the following integral...
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OpenStudy (babyslapmafro):
\[\int\limits_{0}^{\pi/4}4sint(cost+4sint)dt\]
OpenStudy (anonymous):
expand , you have 4 sint cos t= 2 sin2t for the first term, the second term is 16 sin^2 t = 16 (1-cos 2t)/2
OpenStudy (anonymous):
so, just take integral term by term, stuck what?
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