A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

Which of the following are identities. Check all that apply. A. cos (x + pi/6) = -sin (x - pi/3) B. 1- tan(x) tan(y) = sin (x+y) / sin(x) sin(y) C. tan(x) -tan(y) = sin (x - y) / cos(x) cos(y) D. tan (x-pi/4) = tan x-1 ***My Answer: A*** Are there any other possibilities? Please help.

  • This Question is Closed
  1. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yup for A

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

    Awesome

  3. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    i think dat sit/

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

    Ok that's what I got too. I hit the submit button and it told me that A and C were it. Thank you for your help!

  5. 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.