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El_Arrow

  • one year ago

stuck on an integral problem

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  1. El_Arrow
    • one year ago
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    i dont get how they got that

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  2. anonymous
    • one year ago
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    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.

  3. El_Arrow
    • one year ago
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    so that makes the one out front disappear right?

  4. anonymous
    • one year ago
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    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.

  5. El_Arrow
    • one year ago
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    oh alright i get it now

  6. anonymous
    • one year ago
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    Alright, cool :)

  7. El_Arrow
    • one year ago
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    thank you!

  8. anonymous
    • one year ago
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    No problem. Good luck!

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spraguer (Moderator)
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