anonymous
  • anonymous
How can I solve integral of 2sin(t/2)dt?
Mathematics
chestercat
  • chestercat
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AravindG
  • AravindG
put u=t/2 du=1/2 dt the integral becomes integral 2 sin u 1/2 du = integral sin u du
anonymous
  • anonymous
Are you looking for \[\int\limits_{} 2\sin(t/2) dt\]?
anonymous
  • anonymous
yes

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anonymous
  • anonymous
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.
anonymous
  • anonymous
I just solved, and it is -4cos(t/2)+c. But I used u substitution.
AravindG
  • AravindG
Where did 4 come from ?
anonymous
  • anonymous
when ask my question before, you forget to multiply du by 2. I think you divided by 2 instead of multiply.
AravindG
  • AravindG
ya u r right ..sorry for that
anonymous
  • anonymous
ok :)

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