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AravindG
 one year ago
Best ResponseYou've already chosen the best response.0put u=t/2 du=1/2 dt the integral becomes integral 2 sin u 1/2 du = integral sin u du

EulersEquation
 one year ago
Best ResponseYou've already chosen the best response.0Are you looking for \[\int\limits_{} 2\sin(t/2) dt\]?

EulersEquation
 one year ago
Best ResponseYou've already chosen the best response.0This one is easy, really. Can you figure out the antiderivative? The antiderivative of sin is what? And the antiderivative then of t/2 is what? You would be using the chain rule to differentiate to get this function.

IgorL
 one year ago
Best ResponseYou've already chosen the best response.1I just solved, and it is 4cos(t/2)+c. But I used u substitution.

AravindG
 one year ago
Best ResponseYou've already chosen the best response.0Where did 4 come from ?

IgorL
 one year ago
Best ResponseYou've already chosen the best response.1when ask my question before, you forget to multiply du by 2. I think you divided by 2 instead of multiply.

AravindG
 one year ago
Best ResponseYou've already chosen the best response.0ya u r right ..sorry for that
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