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AravindGBest ResponseYou've already chosen the best response.0
put u=t/2 du=1/2 dt the integral becomes integral 2 sin u 1/2 du = integral sin u du
 11 months ago

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

EulersEquationBest ResponseYou've already chosen the best response.0
This 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.
 11 months ago

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

AravindGBest ResponseYou've already chosen the best response.0
Where did 4 come from ?
 11 months ago

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

AravindGBest ResponseYou've already chosen the best response.0
ya u r right ..sorry for that
 11 months ago
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