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motza11 Group Title

Anyone know how to solve this differential equation? sin(x+y)dy=dx

  • 2 years ago
  • 2 years ago

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  1. motza11 Group Title
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    How do I solve this differential equation?

    • 2 years ago
  2. cinar Group Title
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    v=x+y v'=1+y' y'-cosec(x+y)=0 v'-1-cosecv=0 v'=1+cosecv dv/(1+cosecv)=dx

    • 2 years ago
  3. cinar Group Title
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    sinv/(1+sinv)*dv=dx take integral

    • 2 years ago
  4. motza11 Group Title
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    Ok, let me chew on this for a bit... thanks!

    • 2 years ago
  5. cinar Group Title
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    np..

    • 2 years ago
  6. motza11 Group Title
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    so... 1/(1+cosec v) = sin v / (1 + sin v) ?

    • 2 years ago
  7. motza11 Group Title
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    is this an identity that I should know?

    • 2 years ago
  8. cinar Group Title
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    cosecx=1/sinx

    • 2 years ago
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