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    Zohii's Avatar
    Zohii Posts: 1, Reputation: 1
    New Member
     
    #1

    Apr 20, 2008, 12:28 PM
    Prove the identitiy
    1+tan/1+cot=1-tan/cot-1
    answer this fr me
    I don't get it
    thanks a lot people
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
    Ultra Member
     
    #2

    Apr 20, 2008, 12:50 PM
    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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