El_Arrow
  • El_Arrow
stuck on an integral problem
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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El_Arrow
  • El_Arrow
i dont get how they got that
1 Attachment
anonymous
  • anonymous
So the siny was distributed. The first term, the -cosy is simply the integral of siny. For everything other term, the u-substitution involved making u = cosy. That substitution would have cancelled out all of the siny's and just made them basic power rule integrals.
El_Arrow
  • El_Arrow
so that makes the one out front disappear right?

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anonymous
  • anonymous
Yeah, the siny would cancel. Now, you dont absolutely have to distribute the siny, like I said, before integrating, I just think it makes less room for error.
El_Arrow
  • El_Arrow
oh alright i get it now
anonymous
  • anonymous
Alright, cool :)
El_Arrow
  • El_Arrow
thank you!
anonymous
  • anonymous
No problem. Good luck!

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