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    tpolwort's Avatar
    tpolwort Posts: 8, Reputation: 1
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    #1

    Dec 1, 2009, 12:27 PM
    Pre-Calculus Identity Problems
    I have a couple problems I cannot solve, please help me!

    1. tan(x)/sec(x) + cot(x)/csc(x) =sin(x)+cos(x)

    2 (1-tan(x))^2 = sec^2(x) - 2tan(x)

    3. sin(x)/csc(x)-1 + sin(x)/csc(x)+1 = 2tan^2(x)

    4. sin(x)[sec(x)-csc(x)] = tan(x)-1
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Dec 1, 2009, 12:33 PM

    Hm.. please do not double post :)

    https://www.askmehelpdesk.com/math-s...ms-421066.html
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