Ask Me Help Desk

Ask Me Help Desk (https://www.askmehelpdesk.com/forum.php)
-   Math & Sciences (https://www.askmehelpdesk.com/forumdisplay.php?f=402)
-   -   Precalculus - Identities (https://www.askmehelpdesk.com/showthread.php?t=319053)

  • Feb 18, 2009, 02:24 PM
    TheLindsy
    Precalculus - Identities
    I'm stuck on a problem, and I want to figure it out so that I will know it later if it might appear on a test or something.

    cot2A = 1/2(cotA-tanA)

    Thanks!
  • Feb 18, 2009, 02:36 PM
    galactus


    Note the identities:












  • All times are GMT -7. The time now is 03:30 AM.