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

Fanduekisses Group Title

**PRE-CALC HELP PLEASE How to verify the identity tan(x+pi/2)=-cotx ?

  • 4 months ago
  • 4 months ago

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

    Do I USE the cofunction identity?

    • 4 months ago
  2. tkhunny Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    You use whatever works. Let's see what happens when you use the cofunction identity.

    • 4 months ago
  3. Muhammad_Nauman_Umair Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    tan(x+y) = (tan x +tan y) / (1- tan x tan y)

    • 4 months ago
  4. Muhammad_Nauman_Umair Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    here y is pi/2

    • 4 months ago
  5. Fanduekisses Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    ooooh I see so x is x and y is pi/2?

    • 4 months ago
  6. Muhammad_Nauman_Umair Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    yes

    • 4 months ago
  7. Fanduekisses Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    so x + pi/2/ 1-x + pi/2 ?

    • 4 months ago
  8. Fanduekisses Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    is that correct?

    • 4 months ago
  9. Muhammad_Nauman_Umair Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    no

    • 4 months ago
  10. Muhammad_Nauman_Umair Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    tan x + tan 90/ (1- tan90 *tanx)

    • 4 months ago
  11. Muhammad_Nauman_Umair Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    then divide numerator and denominator by tan 90 . as u know tan 90 is "infinite" and 1 / "infinte" = 0 Now try to solve it

    • 4 months ago
  12. Muhammad_Nauman_Umair Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    no

    • 4 months ago
  13. Muhammad_Nauman_Umair Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    (tan x/tan 90+1 ) / [(1 /tan 90) - tanx)]

    • 4 months ago
  14. Muhammad_Nauman_Umair Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    got it ?

    • 4 months 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.