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Math Help - Geometry compostions

  1. #1
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    Geometry compostions

    [solved]
    Hi there, could do with some help/pointers/answers on this question:

    L(1) and L(2) be the lines of E2, with L(1): y=d and L(2) (cos(z))y=(sin(Z))x, where z is a fixed angle between 0 and pi and d belongs to R.
    1.write down the reflections R(1),R(2) in L(1) and L(2) in the form x--> Ax+b

    2.Calculate the composite motion R(2)oR(1) in this form.

    3.Using the fact that both R(1) and R(2) fix the point;
    P=L(1)intersectionL(2)=((cot(z)d,d),
    describe the effect of R(2)oR(1) on E2 in geometric terms.


    Thanks a lot
    Last edited by lordslytherin; October 20th 2010 at 05:47 AM.
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