Quantcast

A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

sat_chen

  • 2 years ago

stuck at this part in trig substitution

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

    |dw:1359527135188:dw|

  2. sat_chen
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1359527165469:dw|

  3. sat_chen
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    am i missing something simple here?

  4. RadEn
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    |dw:1359527286359:dw|

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

    for sin^2 and cos^2 .... use integration by parts u = cos dv = cos du = -sin v = sin you will have to repeat it again

  6. sat_chen
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ah of course the infamous half aangles

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

    haha or that

  8. sat_chen
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yea i knew there was a way to do this simper then the u substitution but douldnt figure out what it was

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

    sorry i learned it the hard way and it always stuck with me

  10. sat_chen
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    its all good but its better in life to take easier route :P

  11. sat_chen
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    when you can of course

  12. sat_chen
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ty again guys

  13. sat_chen
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    wait a second i thought about it you cant use the u substitution

  14. sat_chen
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    you only have the 1 trig ffunction at one time so you could have only done that

  15. sat_chen
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    half angle formula

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

    correct , "u-substitution won't work" i used "integration by parts"

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

    http://en.wikipedia.org/wiki/Integration_by_parts

  18. sat_chen
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ah i see i zoned out the dv part yep it would work

  19. sat_chen
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    and i did integration by parts like 1 week ago

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

    oh ok

  21. 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.