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shape & space : the sine ratio
 

 

 


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    The Sine Ratio

    the sine ratio

    Method for problems:

    1. write out the ratio putting in the values for the given sides and/or angle.
    2. put a '1' under the sine/cos/tan
    3. cross multiply(top left by bottom right = top right by bottom left)
    4. make the 'unknown' the subject of the equation

     

    GCSE Maths Tutor has free videos for many GCSE Maths topics

     

    Example #1

    sine eg#1

    sine eg#1

     

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    Example #2

    sine eg#2

    sine #2

     

    Why not try out the new GCSE Maths interactive pages?

     

    Example #3

    sine eg#3

    the sine ratio - problem#03

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