Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

DLS

Simplify this! \large \tan^{-1} \frac{ \sqrt{1+x^2}-1}{x},x \neq 0

  • one year ago
  • one year ago

  • This Question is Closed
  1. DLS
    Best Response
    You've already chosen the best response.
    Medals 0

    \[\large \tan^{-1} \frac{ \sqrt{1+x^2}-1}{x},x \neq 0\]

    • one year ago
  2. DLS
    Best Response
    You've already chosen the best response.
    Medals 0

    Master @ParthKohli

    • one year ago
  3. ParthKohli
    Best Response
    You've already chosen the best response.
    Medals 0

    Thanks for calling me, but I suck at trig :-P

    • one year ago
  4. DLS
    Best Response
    You've already chosen the best response.
    Medals 0

    Hmm,nevermind tag someone better <3

    • one year ago
  5. ParthKohli
    Best Response
    You've already chosen the best response.
    Medals 0

    I have called the real master here.

    • one year ago
  6. DLS
    Best Response
    You've already chosen the best response.
    Medals 0

    I await to see him.

    • one year ago
  7. ParthKohli
    Best Response
    You've already chosen the best response.
    Medals 0

    He has seen my FB message. Let's see when he's here.

    • one year ago
  8. ParthKohli
    Best Response
    You've already chosen the best response.
    Medals 0

    He says he's coming.

    • one year ago
  9. DLS
    Best Response
    You've already chosen the best response.
    Medals 0

    I await I await!

    • one year ago
  10. DLS
    Best Response
    You've already chosen the best response.
    Medals 0

    Lets see who it is D:

    • one year ago
  11. DLS
    Best Response
    You've already chosen the best response.
    Medals 0

    oooooo :")

    • one year ago
  12. ParthKohli
    Best Response
    You've already chosen the best response.
    Medals 0

    Told you.

    • one year ago
  13. mathslover
    Best Response
    You've already chosen the best response.
    Medals 1

    Got to go , I am giving you a hint : \[\tan ^{-1 } (\cfrac{\sqrt{1+x^2} - 1}{\sqrt{1+x^2-1}})\]

    • one year ago
  14. DLS
    Best Response
    You've already chosen the best response.
    Medals 0

    \[\LARGE \tan^{-1} \frac{\sec \theta-1}{\tan \theta}=> \frac{1-\cos \theta}{\sin \theta}\] used half angle formula and got it :

    • one year ago
  15. DLS
    Best Response
    You've already chosen the best response.
    Medals 0

    =)

    • one year ago
  16. mathslover
    Best Response
    You've already chosen the best response.
    Medals 1

    Will this property help you?

    • one year ago
  17. DLS
    Best Response
    You've already chosen the best response.
    Medals 0

    @mathslover I just substituted x=tan theta

    • one year ago
  18. mathslover
    Best Response
    You've already chosen the best response.
    Medals 1

    Ok!

    • one year ago
  19. sauravshakya
    Best Response
    You've already chosen the best response.
    Medals 1

    multiply both numerator and denominator by root(1+x^2) +1

    • one year ago
  20. sauravshakya
    Best Response
    You've already chosen the best response.
    Medals 1

    Then use the property given by @mathslover

    • one year ago
  21. DLS
    Best Response
    You've already chosen the best response.
    Medals 0

    yo!

    • one year ago
  22. ParthKohli
    Best Response
    You've already chosen the best response.
    Medals 0

    I don't fit in this genius world.

    • one year ago
  23. DLS
    Best Response
    You've already chosen the best response.
    Medals 0

    but substitution method is better :P

    • one year ago
  24. sauravshakya
    Best Response
    You've already chosen the best response.
    Medals 1

    @ParthKohli may be because u r better than genius

    • one year ago
  25. DLS
    Best Response
    You've already chosen the best response.
    Medals 0

    ^^

    • one year ago
  26. mathslover
    Best Response
    You've already chosen the best response.
    Medals 1

    :P if you love substitution or you think it is better or simpler then go for it but do try the another method also. It would be beneficial for you.

    • one year ago
  27. ParthKohli
    Best Response
    You've already chosen the best response.
    Medals 0

    I am overrated -_-

    • one year ago
    • Attachments:

See more questions >>>

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.