Evaluate: Je*cos(7e")cos(4e*)dx. 1 1 + 22 1 22 sin(3e") - sin(11e") + C 22 © -cos(3e*) – -cos(11e*) + C 22

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Q: Evaluate: Je*cos(7e*)cos(4e*)dx. ④ 금Sn(3e)- sin(11e")+C sin(11e*) + C 22 A © -cos(ae)- cos(11e) +c…

A: The given integral,   ∫excos7excos4exdx

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