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anonymous

  • 5 years ago

Find the general soln for xcos^2y+tany(dy/dx)=0 The answer key give x^2 + sec^2y=C

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  1. myininaya
    • 5 years ago
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    put in the form y'+p(x)y=q(x) can we do that lets see...

  2. myininaya
    • 5 years ago
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    nope we have tan(y) :(

  3. myininaya
    • 5 years ago
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    can we use separation of variables lets find out..

  4. mattfeury
    • 5 years ago
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    what if we solve for dy/dx and integrate?

  5. myininaya
    • 5 years ago
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    we have xdx=-tany/cos^2y dy YES!

  6. myininaya
    • 5 years ago
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    integrate both sides

  7. mattfeury
    • 5 years ago
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    awwwwyeahhh

  8. anonymous
    • 5 years ago
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    Integrating the right side is the problem for me

  9. myininaya
    • 5 years ago
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    ok mrs tucker this is messey theres fixingto be a tornado i have to go here in a bit

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  10. myininaya
    • 5 years ago
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    that sec^2y is suppose to have a 2 under it

  11. myininaya
    • 5 years ago
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    i forgot to rewrite it sorry

  12. myininaya
    • 5 years ago
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  13. myininaya
    • 5 years ago
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    theres the correction on that new scan

  14. anonymous
    • 5 years ago
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    This looks great. Thanks!

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spraguer (Moderator)
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