A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 5 years ago

CAL 2:Find indefinite integral using simple substitution: Integral of (cosx/(1+(sinx)^2))dx

  • This Question is Closed
  1. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[\int\limits cosx/(1+(sinx)^2)dx\]

  2. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes u=sin(x) du=cos(x)

  3. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[\int\limits_{?}^{?}1/(u ^{2}+1)du\]

  4. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    it is arctan(u)

  5. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    and u = sin(x)

  6. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    don't forgot constant )))

  7. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    full answer is arctan(sin(x))+const

  8. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    that simple? should I use first as denominator to change to 1+sin^2x and use identity?

  9. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    as sin^2x=1-cos^2x

  10. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    no

  11. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    lululz this aint sinh and cosh

  12. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    its called partly integration

  13. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    sorry it was not arctan it must be cotan

  14. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    right answer is cot(sin(x))+const

  15. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ok I was thinking:\[\int\limits cosx/1+(1-\cos^2x) \to change given and than go from there but I see, \it would be more complicated\]

  16. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    no don't this

  17. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    its not cot it can't be I think inverse tan was right

  18. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    no its cot=tan^-1

  19. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    thank you

  20. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    julia, where are you from?

  21. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    if not secret =)

  22. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    :O) Miami

  23. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    and where do you study?

  24. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.