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Thread: Quick Easy Question?

  1. Jan 26th 2009, 06:42 PM #1
    katchat64
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    Question Quick Easy Question?

    Which trig function is 1+cos? Don't remember....
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  2. Jan 26th 2009, 06:48 PM #2
    Larrioto
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    are you talking about identities ?
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  3. Jan 26th 2009, 06:50 PM #3
    katchat64
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    Question

    Yes... I am talking about identities... and another question does anyone happen to know the identity of 1/sinx?
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  4. Jan 26th 2009, 06:57 PM #4
    Larrioto
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    identities are squared and they are :

    sin^{2}x+cos^{2}x=1
    1+cot^{2}x=cosec^{2}x
    tan^{2}x+1=sec^{2}x
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  5. Jan 27th 2009, 09:21 AM #5
    PanZerOlas
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    Quote Originally Posted by katchat64 View Post
    Yes... I am talking about identities... and another question does anyone happen to know the identity of 1/sinx?

    1/sen(x)=cosec(x)
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