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  1. #1 Question 
    Heinsbergrelatz
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    Default February 15th, 2011, 11:31 AM
    Okay can you express sin1 in terms of surds?? i have expressed sin3 in terms of surds and succeeded but i just cant get sin1.

    any ideas on how to arrive at sin1 in terms of surds??


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  3. #2 Re: Question 
    Arcane_Mathematician
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    Default February 15th, 2011, 06:13 PM
    Quote Originally Posted by Heinsbergrelatz
    Okay can you express sin1 in terms of surds?? i have expressed sin3 in terms of surds and succeeded but i just cant get sin1.

    any ideas on how to arrive at sin1 in terms of surds??
    What's the expression for sin3 in surds?


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    salsaonline
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    February 16th, 2011, 09:07 PM
    What the heck is a surd?
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    DrRocket
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    February 16th, 2011, 09:22 PM
    Quote Originally Posted by salsaonline
    What the heck is a surd?
    It is very old terminology for an irrational number.

    I think that the intended meaning here is an exact value for a trigonometric function at some point.
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  6. #5  
    Heinsbergrelatz
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    February 18th, 2011, 02:32 AM
    Quote Originally Posted by Arcane_Mathematician
    What's the expression for sin3 in surds?
    its like this:

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  7. #6  
    Heinsbergrelatz
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    February 19th, 2011, 09:04 PM
    Can anyone give me just ANY rough ideas on how to reach sin1? in terms of surds??
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