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

HelpMe94

Add and Simplify (cos(x)/Sin(x))+(Sin(x)/Cos(x))

  • one year ago
  • one year ago

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

    whats our common denominator? sin cos x right? can you try to continue? cos x sin x ----- + ------ = ------------ sin x cos x sin x cos x

    • one year ago
  2. HelpMe94
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1352421024901:dw|

    • one year ago
  3. HelpMe94
    Best Response
    You've already chosen the best response.
    Medals 0

    \[\cos x \sin ^{2}x \times \frac{ 1 }{ \sin x \cos x }\]

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

    cos x sin x cos x(cos x) +sin x(sin x) ----- + ------ = ---------------------------- sin x cos x sin x cos x

    • one year ago
  5. HelpMe94
    Best Response
    You've already chosen the best response.
    Medals 0

    oh oops forgot to multiply both fractions

    • one year ago
  6. HelpMe94
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1352421346060:dw|

    • one year ago
  7. HelpMe94
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1352421430067:dw|

    • one year ago
  8. HelpMe94
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1352421617501:dw|

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

    alternate solution multiply them with something that will make a common denominator we wanted to have a common denominator of sin x cos x therefore cos x cos x sin x sin x (cos x )^2 + (sin x)^2 1 ----- . ------- + ------ .----- = ------------------------ = ------------ sin x cos x cos x sin x sin x cos x sin x cos x whats 1/sin x =? also 1/cos x ?

    • one year ago
  10. HelpMe94
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1352421796900:dw|

    • one year ago
  11. HelpMe94
    Best Response
    You've already chosen the best response.
    Medals 0

    So the answer is CSC(X)SEC(X)

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

    yesss 1 1 1 csc x sec x = ----------- = -------- --------- or = ------- or = ------ or= csc x sec x sin x cos x sin x cos x cos x sin x

    • one year ago
  13. HelpMe94
    Best Response
    You've already chosen the best response.
    Medals 0

    Although i don't see how you get COS(X)^2 + SIN(X)^2 1 ----------------- = --------------- SIN(X) COS(X) SIN(X) COS(X)

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

    isnt it the identity (sin x)^2 + (cos x)^2 = 1 ??

    • one year ago
  15. HelpMe94
    Best Response
    You've already chosen the best response.
    Medals 0

    oh yeah your right

    • one year ago
  16. HelpMe94
    Best Response
    You've already chosen the best response.
    Medals 0

    Thanks again

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

    ok = 1/ sin x cos x = csc x/ cos x = sec x / sin x = sec x csc x

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

    yw... have fun now solving.. :D poist some more if you got stuck again :D

    • 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.