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-   -   Prove the identitiy (https://www.askmehelpdesk.com/showthread.php?t=207803)

  • Apr 20, 2008, 12:28 PM
    Zohii
    Prove the identitiy
    1+tan/1+cot=1-tan/cot-1
    answer this fr me
    I don't get it
    thanks a lot people
  • Apr 20, 2008, 12:50 PM
    galactus
    First, try rewriting it in terms of sin(x) and cos(x).

    Left side:







    Try the same with the right side. Show they are the same.

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